was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Hitachi Province (modern-day Ibaraki Prefecture), Japan. It was centered on Fuchà « Jin'ya in what is now the city of Ishioka, Ibaraki. It was also known as or
The domain was created in 1602, when Rokugà  Masanori, the head of the Rokugà  clan, a prominent family of Dewa Province, was awarded a 10,000 koku holding in Hitachi-Fuchà « for serviced rendered to Tokugawa Ieyasu during the Battle of Sekigahara. The clan was transferred to Honjà  Domain in Dewa in 1623. The domain then passed into the hands of the Minagawa clan until 1645, when that clan was reduced to hatamoto status for lack of a direct heir.
In 1700, the domain was revived for the 5th son of Tokugawa Yorifusa of Mito Domain, who assumed the Matsudaira surname. The Matsudaira continued to rule the domain until the Meiji restoration. The domain was renamed Ishioka-han in 1869. It was abolished in the Haihan Chiken order of 1871.
The domain had a population of 16,913 people in 2774 households, of who, 901 were classed as samurai in 198 household and 182 were classed as ashigaru in 109 households per a census in 1869. ãÂÂãÂÂãÂÂãÂÂ
As with most domains in the han system, Hitachi-Fuchà « Domain consisted of several discontinuous territories calculated to provide the assigned kokudaka, based on periodic cadastral surveys and projected agricultural yields.