Iwate Prefecture is a prefecture of Japan located in the Tôhoku region on Honshû island. The capital is Morioka.
Iwate faces the Pacific Ocean to the east, and borders Aomori Prefecture on the north, Akita Prefecture on the west, and Miyagi Prefecture on the south. The prefecture has mountains in the west, north and east, with the valley of the Kitakami River running from north to south through the center of the province and including the capital. The coast is very rugged, with little in between the mountains and the sea.