The An'ei province (So2) was the northernmost Soshi province. It was bordered by the Kinbou province (So1) in the west, by the Yuma province (So3) in the south, being enveloped by the Seikitsu Mountains, which separated from the Unicorn border in the north, and from the Lion border in the east. Notable locatiosn within the province were the Soshi capital, Shiro no Soshi (S2) the Dojo of the Closed Eye and the Hidden Moon Dojo. The northern half of An'ei was mostly mountains, while the southern part boasted farms.