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Echigo Province




Echigo (越後国; -no kuni) was an Old Province in north-central Japan , on the Sea Of Japan side. It bordered on Uzen , Iwashiro , Kozuke , Shinano , and Etchu Province s. Today the area is part of Niigata Prefecture , which also includes the island which was the old Sado Province .

Echigo was ruled by Uesugi Kenshin and his heirs during the Sengoku period; later it became a fief of Ieyasu's Matsudaira relatives.