Kansai has three official borders and they agree on six prefectures. A 1963 Act of the Diet draws it as eight prefectures, the Japan Meteorological Agency forecasts it as six, and the Union of Kansai Governments admits eight prefecture-level members, two of which the Act leaves out entirely. Ten prefectures appear on at least one of the three lists, and six appear on all three. That is our own count of the three published lists, and it is the first thing to settle before reading any map, pass area or weather bulletin that uses the word.

The 1963 Act draws Kansai as eight prefectures, under the name Kinki

The statute is the Kinki Region Development Act, Act No. 129 of 1963, promulgated on 10 July 1963; the text in force dates from an amendment enforced on 22 December 2005. Article 2, paragraph 1 is a single sentence: in this Act, “Kinki region” means the wide area formed by unifying the areas of Fukui Prefecture, Mie Prefecture, Shiga Prefecture, Kyoto Prefecture, Osaka Prefecture, Hyogo Prefecture, Nara Prefecture and Wakayama Prefecture, excluding areas prescribed by Cabinet Order. That is eight prefectures, and the two at the head of the list are the ones travellers rarely file under Kansai: Fukui on the Sea of Japan and Mie on the Pacific side next to Nagoya.

Article 2 does not stop there. It defines six terms in six paragraphs: the Kinki region, the Kinki Region Development Plan, the built-up city area, the suburban development area, the urban development area and the conservation area. The last three take effect only once designated: Article 2 sends the reader to Article 11 paragraph 1, Article 12 paragraph 1 and Article 14 paragraph 1, each of which gives the Minister of Land, Infrastructure, Transport and Tourism the power to designate them. The Act therefore contains one fixed list of prefectures and several lists that are filled in later by designation, which is why a document that cites the Act for a boundary may be citing a different boundary than the eight-prefecture one.

The weather agency’s Kinki region is six prefectures, and Fukui is filed under Hokuriku

The Japan Meteorological Agency publishes the areas it issues forecasts and warnings for on one page, arranged as regional forecast areas containing prefectural forecast areas. Under Kinki it lists exactly six: Shiga, Kyoto, Osaka, Hyogo, Nara and Wakayama. Fukui appears under Hokuriku, beside Niigata, Toyama and Ishikawa. Mie appears under Tokai, beside Gifu, Shizuoka and Aichi. Neither is inside the agency’s Kinki.

The same page defines three smaller units below the prefectural forecast area. A primary subdivision is the unit a prefectural forecast is routinely split into, divided by meteorological, disaster and geographical characteristics. A secondary subdivision is the unit warnings and advisories are issued for; it is a municipality as a rule, with Tokyo’s special wards counted as wards, though some municipalities are split. A grouped area bundles secondary subdivisions so that the state of warnings can be read regionally, taking account of disaster characteristics and the jurisdictions of prefectural disaster-management bodies. So a warning that covers “Kinki” in a bulletin is a statement about six prefectures, not eight, and never about Fukui.

The Union of Kansai Governments has twelve members, two outside both Kinki definitions

The Union of Kansai Governments is a local authority in its own right. Its own frequently asked questions page says a wide-area union is an association of local governments provided for in Article 284 of the Local Autonomy Act, holding legal personality as a special local public body. The page on the union gives the founding date as 1 December 2010 and lists twelve constituent bodies as of 4 December 2015: Shiga, Kyoto Prefecture, Osaka Prefecture, Hyogo, Nara, Wakayama, Tottori and Tokushima, plus the designated cities of Kyoto, Osaka, Sakai and Kobe. Eight of the twelve are prefecture-level and four are cities. Tottori and Tokushima are not in the Act’s list of eight and not in the weather agency’s Kinki; Fukui and Mie are in the Act’s list and are not members here.

The page also publishes the size of the territory those members cover: a population of 21.81 million, about 17 per cent of Japan, taken from the 2020 Census, and an area of 35,005 square kilometres, about 9 per cent. It names seven fields of delegated business, counting tourism with culture and sport as one field: disaster management; tourism, culture and sport promotion; industry promotion; medical care; environmental conservation; qualifying examinations and licences; and staff training. Policy-coordination work is listed separately from those seven. Its sixth wide-area plan runs from FY2026 to FY2030, the union is in its sixteenth year, and it is headed by the Governor of Shiga.

Only six prefectures appear on all three lists

Prefecture Kinki Region Development Act, Article 2(1) JMA Kinki forecast region Union of Kansai Governments members
Shiga Named Named Named
Kyoto Named Named Named (prefecture and Kyoto City)
Osaka Named Named Named (prefecture, Osaka City, Sakai City)
Hyogo Named Named Named (prefecture and Kobe City)
Nara Named Named Named
Wakayama Named Named Named
Fukui Named Listed under Hokuriku Not named
Mie Named Listed under Tokai Not named
Tottori Not named Listed under Chugoku Named
Tokushima Not named Listed under Shikoku Named

Reading down the three source columns: eight prefectures in the Act, six in the weather agency’s Kinki, eight prefecture-level members in the Union. Reading across: six rows say Named three times. Ten rows exist in total. Those counts are ours, made from the three published lists; none of the three documents mentions the others.

JR West names six passes after Kansai, and the plain one stopped selling on 30 September 2026

West Japan Railway Company lists twelve rail passes on its JR-WEST RAIL PASS page. Six carry Kansai in the name: Kansai Area Pass, Kansai Mini Pass, Kansai WIDE Area Pass, Kansai–Hiroshima Area Pass, Kansai–San’in Area Pass and Kansai–Hokuriku Area Pass. The other six are named after Tottori and Matsue, Sanyo and San’in, Hiroshima and Yamaguchi, Okayama with Hiroshima and Yamaguchi, Hokuriku, and the whole JR-West network. Three of the six Kansai passes name a second region in the title, which is the company telling you plainly that the pass leaves Kansai.

The pass called simply Kansai Area Pass now carries a notice at the top of its own page: sales ended as of 30 September 2026, and passes purchased by that date remain valid for their specified validity period. The prices it still prints are below, and the page dates its displayed information, prices included, to 1 August 2024. An adult pass is for a traveller aged 12 or over when the exchange order is issued or the pass is purchased, and a child pass for ages 6 to 11.

Validity Adult Child Step up from the previous row (our subtraction)
1-day 2,800 yen 1,400 yen —
2-day 4,800 yen 2,400 yen 2,000 yen
3-day 5,800 yen 2,900 yen 1,000 yen
4-day 7,000 yen 3,500 yen 1,200 yen

Every child price is exactly half the adult price on the same row, and the step from one day to the next is not constant: the second day adds 2,000 yen, the third adds 1,000 and the fourth adds 1,200. Those three figures are our own subtractions from the printed table. JR West adds that prices are subject to change.

The eligibility list on the same page has four items, and two of them decide whether the pass is available to a traveller at all. The holder must hold a passport issued by a foreign government and must be entering Japan under the status of residence Temporary Visitor; the page states in Japanese that customers of Japanese nationality cannot use it, including those holding permanent residence abroad. A single customer may not purchase or exchange more than one of the same ticket for the same use period, and the passport must be presented to receive the pass. On children: an adult or child pass holder may accompany up to two children aged 1 to 5 free, and from the third infant onward a child pass is required for each. Babies under 1 travel free. A child pass is also required for each infant who uses a reserved seat alone or travels alone.

What the pass covers is narrower than the region’s name suggests. It is valid on reserved seats of the Kansai-airport Express HARUKA, and on Special Rapid, Rapid and Local trains on JR-West conventional lines in the valid area. Reserved seating on HARUKA may be used up to two times, seats must be booked before boarding, and a non-discounted limited-express reserved ticket must be bought separately once that allowance is used. On express trains other than HARUKA the page says two different things: a list headed Trains below cannot be used names both reserved and non-reserved seats on them, while the train accommodations table marks those same seats with a symbol whose legend on the same page reads that additional separate tickets are required. The same split appears for paid seating services such as A Seat, which the list excludes and footnote 5 says carry separate charges. The Shinkansen is excluded outright and has no row in that table. On buses the pass is valid only on West Japan JR Bus route buses within the valid area and cannot be used on expressway buses. It is not JR only either: the page says vouchers for the Kyoto City Subway, Keihan Railway and Hankyu Railway are provided with the pass, and that a refund requires the pass plus those three vouchers, four items in all.

The pass named WIDE reaches Okayama and Takamatsu, and neither is on any of the three lists

The Kansai WIDE Area Pass is sold in one length only: 5-day, 12,000 yen for an adult and 6,000 yen for a child, again exactly half. Its own page names the places it reaches as Okayama, Takamatsu, Kinosaki Onsen, Amanohashidate, Tottori, Shirahama and Tsuruga, and it is valid on the Sanyo Shinkansen between Shin-Osaka and Okayama. Okayama is named by none of the three lists above, and the weather agency files Okayama Prefecture under Chugoku, beside Tottori, Shimane and Hiroshima. Tottori itself is outside both Kinki definitions and inside the Union of Kansai Governments. Tsuruga is in Fukui, which the Act names and the Union does not. Takamatsu is in Kagawa, which the weather agency files under Shikoku beside Tokushima, Ehime and Kochi, and which none of the three lists names. One pass therefore crosses every line drawn above.

The practical reading is simple. When a timetable, warning or statistical table says Kinki, expect the six-prefecture or eight-prefecture definition and check which. When a tourism body, a pass or a promotional map says Kansai, the word is doing marketing work and the area is defined by the small print beside it, not by the name. The only safe move is to read the area list on the document in front of you. On the rail side, one related point is settled: Shin-Osaka is the only Shinkansen station in Osaka.


Sources Checked

e-Gov Laws — Kinki Region Development Act, Act No. 129 of 1963
Confirmed that the Act was promulgated on 10 July 1963, that the text in force is the revision enforced on 22 December 2005, that Article 2 paragraph 1 defines the Kinki region as the wide area formed by unifying the areas of Fukui, Mie, Shiga, Kyoto, Osaka, Hyogo, Nara and Wakayama excluding areas prescribed by Cabinet Order, that Article 2 paragraph 3 defines the built-up city area by reference to the areas of Osaka City, Kobe City and Kyoto City and adjoining cities as prescribed by Cabinet Order, and that Article 2 also defines the Kinki Region Development Plan, the suburban development area by reference to Article 11 paragraph 1, the urban development area by reference to Article 12 paragraph 1 and the conservation area by reference to Article 14 paragraph 1.
https://laws.e-gov.go.jp/law/338AC0000000129

Japan Meteorological Agency — areas for weather warnings, advisories and forecasts
Confirmed that the Kinki regional forecast area contains the prefectural forecast areas of Shiga, Kyoto, Osaka, Hyogo, Nara and Wakayama; that Fukui is listed under the Hokuriku region with Niigata, Toyama and Ishikawa; that Mie is listed under the Tokai region with Gifu, Shizuoka and Aichi; and the definitions of the primary subdivision, the secondary subdivision and the grouped area of municipalities.
https://www.jma.go.jp/jma/kishou/know/saibun/index.html

Union of Kansai Governments — about the union
Confirmed the founding date of 1 December 2010, the twelve constituent bodies as of 4 December 2015 being Shiga, Kyoto Prefecture, Osaka Prefecture, Hyogo, Nara, Wakayama, Tottori, Tokushima, Kyoto City, Osaka City, Sakai City and Kobe City, a population within the territory of 21.81 million or about 17 per cent of Japan from the 2020 Census, an area of 35,005 square kilometres or about 9 per cent, the seven fields of delegated business, the sixth wide-area plan covering FY2026 to FY2030, the statement that the union is in its sixteenth year since its 2010 establishment, and that the head of the union is the Governor of Shiga.
https://www.kouiki-kansai.jp/koikirengo/koikirengo/150.html

Union of Kansai Governments — frequently asked questions
Confirmed that a wide-area union is described as an association of local governments provided for in Article 284 of the Local Autonomy Act, holding legal personality as a special local public body, and that the same seven fields of delegated business are listed again on this page.
https://www.kouiki-kansai.jp/koikirengo/koikirengo/144.html

Union of Kansai Governments — area and population spreadsheet linked from the page on the union
Confirmed the twelve member rows, the total area of 35,005.1 square kilometres and the total population of 21,814,407, against national figures of 377,974.87 square kilometres and 126,146,099 on the same sheet, which give 9.3 and 17.3 per cent by our own division; the sheet dates the population to the 2020 Census and the area to the Geospatial Information Authority survey for FY2026.
https://www.kouiki-kansai.jp/material/files/group/3/population_etc.xlsx

West Japan Railway Company — JR-WEST RAIL PASS list
Confirmed that twelve passes are listed and that six carry Kansai in the name: Kansai Area Pass, Kansai Mini Pass, Kansai WIDE Area Pass, Kansai–Hiroshima Area Pass, Kansai–San’in Area Pass and Kansai–Hokuriku Area Pass, alongside the Tottori–Matsue Pass, Sanyo–San’in Area Pass, Hiroshima–Yamaguchi Area Pass, Okayama–Hiroshima–Yamaguchi Area Pass, Hokuriku Area Pass and JR-WEST All Area Pass; and that the Kansai Area Pass entry carries the notice that sales ended as of September 30, 2026.
https://www.westjr.co.jp/global/en/ticket/pass/

West Japan Railway Company — Kansai Area Pass
Confirmed that sales ended as of September 30, 2026 and that passes purchased by that date remain valid throughout the specified validity period; the adult prices of 2,800 yen for 1-day, 4,800 for 2-day, 5,800 for 3-day and 7,000 for 4-day with child prices of 1,400, 2,400, 2,900 and 3,500; that adult means aged 12 or over and child 6 to 11 when the exchange order is issued or the pass purchased; that prices are subject to change; that a holder may accompany up to two children aged 1 to 5 free, that from the third infant a child pass is required for each, that babies under 1 are accompanied free, and that a child pass is required for an infant using a reserved seat alone or travelling alone; that the pass covers reserved seats on the Kansai-airport Express HARUKA up to two times and Special Rapid, Rapid and Local trains on JR-WEST conventional lines; that the list headed Trains below cannot be used names both reserved and non-reserved seats on express trains other than HARUKA, paid seating services such as A Seat and the Shinkansen, while the train accommodations table marks the non-HARUKA express seats with the symbol whose legend reads that additional separate tickets are required and footnote 5 says separate charges apply to paid seating services; that the Shinkansen has no row in that table; that vouchers for the Kyoto City Subway, Keihan Railway and Hankyu Railway are provided with the pass and that a refund requires the pass and those three vouchers, four items in all; that the eligibility list has four items; that displayed information including prices is current as of August 1, 2024; that the pass is valid only on West Japan JR Bus route buses within the valid area and cannot be used on expressway buses; and that the holder must hold a passport issued by a foreign government and enter Japan with the Temporary Visitor status of residence, may not buy more than one of the same ticket for the same use period, and must present a passport to receive the pass.
https://www.westjr.co.jp/global/en/ticket/pass/kansai/

West Japan Railway Company — Kansai WIDE Area Pass
Confirmed the single 5-day validity priced at 12,000 yen for an adult and 6,000 yen for a child, that the pass is valid on the Sanyo Shinkansen between Shin-Osaka and Okayama within the valid area, and that the page names Okayama, Takamatsu, Kinosaki Onsen, Amanohashidate, Tottori, Shirahama and Tsuruga as places the pass reaches.
https://www.westjr.co.jp/global/en/ticket/pass/kansai_wide/

Last updated: October 2026