The Aki-Takeda clan was of the same family line as the Kai-Takeda clan and so on, and was based at Sato-Kanayama-jo Castle in Aki Province as Bungun Shugodai (deputy of Bungunshugo) of the Wakasa-Takeda clan in Aki Province.
安芸武田氏は甲斐武田氏等と同族で、若狭武田氏の安芸分郡守護代として、安芸佐東銀山城を拠点とした。