Oshika District, Miyagi
During the Edo period under the Tokugawa shogunate, the district was within Mutsu Province and was under the control of the Date clan of Sendai Domain. In 1869, following the Meiji restoration, Mutsu Province was divided, with the area of Oshika District becoming part of Rikuzen Province, and from 1872, part of Miyagi Prefecture. In 1889, with the establishment of the municipalities, Oshika District was administratively divided into 2 towns (Ishinomaki and Watanoha) and 6 villages.
History
Most of the city of Ishinomaki was formerly within the district.