The Osaka Guard District (大阪警備府, Osaka Keibifu) was a major navy base for the Imperial Japanese Navy in central Japan during World War II. Located at Osaka 34°42′04″N 135°27′50″E / 34.701°N 135.464°E), Osaka Guard District was responsible for guarding the approach to the old capital of Kyoto, the Kansai industrial zone, port of Kobe and the Inland Sea of Japan.