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Coordinates: 35°31′21″N 139°54′34″E / 35.522577°N 139.909570°E / 35.522577; 139.909570

Tokyo Bay
東京湾
Tōkyō-wan
Tokyo L7 lrg.jpg
NASA Earth Observatory image of Tokyo Bay
Tokyobay area.png
Tokyo Bay, in a narrow sense (pink) and in a broad sense (pink and blue)
LocationHonshu, Japan
Coordinates35°25′N 139°47′E / 35.417°N 139.783°E / 35.417; 139.783
River sourcesAra River
Edo River
Obitsu River
Yoro River
Ocean/sea sourcesPacific Ocean
Basin countriesJapan
Surface area1,500 square kilometres (580 sq mi)
Average depth40 metres (130 ft)
Max. depth70 metres (230 ft)
IslandsSarushima

Tokyo Bay (東京湾, Tōkyō-wan) is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. Its old name was Edo Bay (江戸湾, Edo-wan). The Tokyo Bay region is both the most populous and largest industrialized area in Japan.[1][2][3][4][5]