Chinkai Guard District
The Chinkai Guard District (鎮海警備府 Chinkai Keibifu?) was the major navy base for the Imperial Japanese Navy in Korea under Japanese rule before and during World War II. Located in southern Korea (at present-day Jinhae, Republic of Korea, 35°11′N 128°34′E / 35.19°N 128.57°ECoordinates: 35°11′N 128°34′E / 35.19°N 128.57°E), the Chinkai Guard District was responsible for control of the strategic Straits of Shimonoseki and for patrols along the Korean coastline and in the Sea of Japan.
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