Gamagōri (蒲郡市) is a city in Aichi Prefecture. As of 1 October 2019, the city had an estimated population of 80,063 in 32,800 households. Gamagōri is situated on the coast of Mikawa Bay on the Pacific Ocean in southeastern Aichi Prefecture. During the Edo period, most of the area was tenryō territory ruled directly by the Tokugawa shogunate through hatamoto administrators, with portions controlled by Yoshida Domain and Okazaki Domain. After the start of the Meiji period, Gamagōri Village in Hoi District, Aichi Prefecture was proclaimed on October 1, 1889. The town escaped damage in World War II, but the 1945 Mikawa earthquake caused considerable damage to parts of Gamagōri.