Location
YOKOHAMA
LOCATION
The Port of Yokohama, one of Japan's busiest deep water ports, is located at 35º27'N 139º40'E on the southeast coast of Honshu, the largest of the four main islands of Japan (Figure V-196).
Yokohama is situated on the west side of Tokyo Bay. Except for its 4.75 nmi wide southern entrance, Tokyo Bay is surrounded by land. As can be seen in Figure V-197, the Port of Yokohama is located between two other important and busy ports, Tokyo and Yokosuka. Tokyo is located approximately 10 nmi northeast of Yokohama, and Yokosuka is approximately 10 nmi south of Yokohama Over 200 ships transit Uraga Suido, a controlled traffic route through the congested entrance to Tokyo Bay, daily.
Source: http://www.nrlmry.navy.mil/port_studies/thh-nc/japan/yokohama/text/sect1.htm