Japan — Japan's regional food culture developed through the Edo period's restricted inter-domain travel (the sankin-kōtai system required daimyo to travel between their domains and Edo, carrying food culture along established routes) and through the development of specific agricultural and fishing traditions in each climate zone. The Kantō-Kansai divide intensified through the Edo period as the two cultural centres (Tokyo=Edo and Osaka-Kyoto) developed increasingly distinct culinary identities.
Japan's food culture is profoundly regional — more so than most countries of comparable geographic size — with distinct culinary identities in each of the nine major regions: Hokkaido (乳製品、山菜、海鮮、ジンギスカン — dairy, mountain vegetables, seafood, jingisukan); Tohoku (きりたんぽ、わんこそば、牛タン — kiritanpo, wanko soba, beef tongue); Kantō/Tokyo (江戸前寿司、もんじゃ焼き、もつ鍋 — Edomae sushi, monjayaki, motsunabe); Chubu/Nagoya (味噌煮込みうどん、手羽先、きしめん — miso nikomi udon, chicken wings, kishimen flat noodles); Kansai/Osaka-Kyoto (たこ焼き、お好み焼き、懐石 — takoyaki, okonomiyaki, kaiseki); Chugoku/Hiroshima (お好み焼き広島風、牡蠣 — Hiroshima okonomiyaki, oysters); Shikoku (うどん、カツオ、すだち — udon, bonito, sudachi); Kyushu (ラーメン、とんこつ、からし蓮根 — ramen, tonkotsu, karashi-renkon); Okinawa (ゴーヤチャンプルー、ラフテー、泡盛 — goya chanpuru, rafute, awamori).
The flavour difference between Kantō and Kansai — the most fundamental Japanese culinary divide — is immediately perceptible: Kantō noodle broth (both soba and udon) is darker, stronger, more directly savoury from heavier soy seasoning; Kansai broth is pale amber, dashi-forward, subtler, more complex in its understatement. Kantō tamagoyaki is sweet; Kansai dashimaki tamago is savoury. Kantō miso tends dark and robust; Kyoto miso is white and sweet. The East-West divide creates a culinary landscape where the 'same dish' in the two regions may be essentially different preparations.
The regional food identity is primarily determined by: (1) geography and climate (Hokkaido's cold = dairy, root vegetables; Okinawa's subtropical warmth = bitter vegetables, pork, citrus); (2) history (Kyoto's imperial court created the most refined cuisine; Osaka's merchant culture created the most commercially varied); (3) proximity to specific seafood (Hokkaido's salmon and crab; Kochi's bonito; Hiroshima's oysters; Shikoku's tai). The East-West division (Kantō vs Kansai) is Japan's most documented culinary divide: darker, stronger-flavoured, more soy-forward cooking in the East vs lighter, dashi-forward, more delicate in the West. The practical expression: soba (Kantō) vs udon (Kansai) as the primary noodle; dark tsuyu vs light tsuyu for noodle dipping.
The key culinary geography for a professional wanting to understand Japan's cooking depth: (1) Kyoto for restraint, dashi excellence, and kaiseki structure; (2) Osaka for robust flavour, street food creativity, and commercial innovation; (3) Fukuoka for ramen, mentaiko, and izakaya culture; (4) Kochi for bonito, citrus, and straightforward seafood technique; (5) Okinawa for subtropical ingredients, pork traditions, and cultural uniqueness. These five regional centres provide the widest range of reference points for understanding the full Japanese culinary spectrum.
Treating 'Japanese cuisine' as monolithic — the difference between Okinawan chanpuru culture and Kyoto kaiseki is as vast as the difference between Sicilian street food and Parisian haute cuisine. Assuming Kyoto = the standard — Kyoto represents the most refined, restrained style; Osaka is the most populous and commercially diverse; neither is definitively 'Japanese cuisine'.
Washoku — Elizabeth Andoh; Japanese Farm Food — Nancy Singleton Hachisu