Akashi Domain

The Akashi Domain (明石藩, Akashi-han^?) was a feudal domain of Japan. It occupied Akashi District (corresponding to most of the present-day city of Akashi and western part of Kobe) and surroundings in Harima Province. Fudai and Shimpan daimyo were assigned, and frequently reassigned, to Akashi. The domain had its administrative headquarters at Akashi Castle.

Akashi was established in 1617 when Ikeda Mitsumasa was transferred from the Himeji to the Tottori Domain. Himeji was split, and one piece became the Akashi Domain.

Seventeen daimyo from four clans ruled Akashi:

...
Wikipedia