Hinohara is a village located in West Tokyo, the western portion of Tokyo Prefecture, Japan. As of 1 April 2021, the village had an estimated population of 2,101, and a population density of 20 persons per km2. The total area of the village is 105.41 square kilometres (40.70 sq mi). It is the only administrative unit left in the non-insular area of Tokyo that is still classified as a village.

The Aki River is a river in Japan. The Aki River flows west of Tokyo Metropolitan Area. It is a major tributary of the Tama River, The Japanese name, 秋川, means "Autumn River."