佐竹氏
was a feudal domain in Edo period Japan, located in Dewa Province (modern-day Akita Prefecture), Japan. It was centered on Kubota Castle in what is now the city of Akita and was thus also known as the . It was governed for the whole of its history by the Satake clan. During its rule over Kubota, the Satake clan was ranked as a family, and as such, had the privilege of shogunal audiences in the Great Hall ("Ohiroma") of Edo Castle.