As stated above, a regional difference in food culture in present-day prefectures occurs not only because of a difference in products picked inland and at beaches, but also because of the merger of two or more domains whose food culture and customs were different.
このように、現在の都道府県内部において地域ごとに食文化が異なるのは、内陸・海岸等の収穫物の違いもさる事ながら、食文化・風習そのものが違う藩の合併によっておきている。