Kaisei District, Aichi

Aichi Kaisai-gun.png:


 * yellow - areas formerly within the district borders during the early Meiji period]]



Kaisei (海西郡) (a.k.a. West Ama) was a district located in Aichi Prefecture, Japan.

District Timeline

 * 1913 - Kaisei and Kaitō Districts were merged to form Ama District. Therefore, both Kaisei and Kaitō Districts were dissolved as a result of this merger.