Yamachan of Japan: map and list

35 of the 80 shops are in Aichi, 43.8% of the map. Tokyo is the second base, with 20. The chain only enters 13 prefectures. 34 have none. The median to the next shop is 1.0 km. 51.2% of the shops have another within 1 km.

80shops

43.8%in Aichi

13prefectures

1.0 kmto the next

Prefectures the chain actually enters

The table lists only prefectures with a shop. The core stays in Aichi, with an arm in Tokyo.

Prefectures with the most places
Prefecture	Places	Percentage
Aichi	35	43.8%
Tokyo	20	25.0%
Osaka	6	7.5%
Kanagawa	4	5.0%
Fukuoka	3	3.8%
Gifu	2	2.5%
Kyoto	2	2.5%
Hiroshima	2	2.5%
Saitama	2	2.5%
Mie	1	1.2%
Chiba	1	1.2%
Miyagi	1	1.2%
Hokkaido	1	1.2%

By region

The same places, added up by region.

Places by region
Region	Places	Percentage
Hokkaido	1	1.2%
Tohoku	1	1.2%
Kanto	27	33.8%
Chubu	37	46.2%
Kansai	9	11.2%
Chugoku	2	2.5%
Shikoku	0	0.0%
Kyushu	3	3.8%
Okinawa	0	0.0%

The data used in this study were set on 23 October 2026.

Yamachan of Japan: map and list

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Prefectures the chain actually enters

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