Yokosuka, Kanagawa, Japan
is a city in Kanagawa Prefecture, Japan.
As of June 2012, the city has an estimated population of 414,960 and a population density of 4,120 people per km2. The total area is 100.7 km2. Yokosuka is the 11th most populous city in Greater Tokyo, and the 12th in the Kantō region.