The city area extends around former Amata-gun, Tanba Province, and to Ikaruga-gun (part of Saga-mura), Yosa-gun, Tango Province (Kumohara-mura) and Kasa-gun (Oe-cho); the area consists of forest taking up 76% of the total, while agricultural lands make up approximately 7%.
市域は旧丹波国天田郡を中心とし何鹿郡（佐賀村の一部）と丹後国与謝郡（雲原村）と加佐郡（大江町）に広がり、市域面積の76%は林野が占め耕地面積は7%程度で