Mihara Domain

Mihara Domain 三原藩
Part of Hiroshima Domain
Mihara, Hiroshima, Japan
Mihara Castle, a.k.a. "The Floating Castle (Ukishirō)"
Coordinates	34°24′N 133°5′E / 34.400°N 133.083°E / 34.400; 133.083
Type	Azuchi-Momoyama castle
Site information
Controlled by	Kobayakawa clan (1567–1587) Fukushima clan (1600–1619) Asano clan (1619–1869)  Japan (1869–1945)
Condition	Ruins, National Historic Site
Site history
Built	1567
Built by	Kobayakawa Takakage
In use	1567–1945
Materials	stone, wood, plaster walls (original); concrete, steel, wood, stone, plaster (reconstruction)
Demolished	1975, construction of a new rail-line.

The Mihara Domain (三原藩, Mihara-han) was a feudal domain of Japan in the Edo period. Located in what is now Mihara City, Hiroshima Prefecture, it encompassed the southern part of Bingo Province. Its headquarter was Mihara Castle (三原城 Mihara-jō). At its peak, it was rated at 30,000 koku. For more than two hundred years the daimyō of Mihara were a collateral branch of the Asano clan who held Hiroshima Domain.^[1] It was a subordinate of Hiroshima Domain where the main line of the Asano clan ruled from.