Commander Fleet Activities Yokosuka Logo Commander, Navy Region Japan  |  Commander Fleet Activities Yokosuka
Commander, Navy Installations Command
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About Yokosuka Japan

Yokosuka City is located about 30 miles southwest of Japan's capital city.  Tokyo, on the east coast of the main island, Honshu.  It is an industrial and residential community, with an area of about 39 square miles.  This 579 acre naval base occupies a small peninsula jutting into Tokyo Bay.  As the home of the U.S. Navy's Seventh Fleet, and winner of the 2009 Commander in Chief's Annual Award for Installation Excellence, the Base, often referred to as CFAY (Commander Fleet Activities Yokosuka), hosts 13 afloat commands and more than 50 other shore commands and tenant activities.  CFAY's primary mission is to provide support services to forward deployed naval forces in Yokosuka, and other units assigned in the Western Pacific.  View our "Duty in Japan" video.

Base Operator: within Japan, dial 046-816-1110, within the Yokosuka area dial 816-1110 or, if you are calling from the U.S., dial 011-81-46-816-1110.

Population: 25,000, including Active Duty Members, Active Duty Family Members, Military Retirees and their Family Members, Civilian Employees, Japanese and other Employees.

Area Population:  423,576 in Yokosuka, Japan.


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