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Across the world, 岡 (Oka , 강 , 岡 ) is a common gender-neutral given name. The given name 岡 is habitual in Indonesia, where it is quite a rare dominantly masculine, but uncommonly feminine name, Egypt, where it is quite a rare unisex name, and Nigeria. More prevalently, 岡 is the last name as well as the forename.
岡 is also a name for the fictitious and mythical characters: Meng Kang , the Water Margin character; Wu Gang and Xue Gang , the fictional character from literature and dramas about Sui-Tang period.