Kameyama Castle, the only castle in Mie

Kameyama (亀山市, Kameyama-shi) is a city located in northern Mie Prefecture, Japan.As of November 2012, the city has an estimated population of 50,230 and a population density of 263 persons per km². The total area is 190.91 km2 (73.71 square miles).

Kameyama Castle (亀山城, Kameyama-jō) is a Japanese castle located in Kameyama, northern Mie Prefecture, Japan. At the end of the Edo period, Kameyama Castle was home to the Ishikawa clan, daimyō of Ise-Kameyama Domain. The castle was also known as "Kochō-jō" (粉蝶城).