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In all the world, 堺 (Sakai , 堺 , Сакаи ) is quite a rare gender-neutral forename. The forename 堺 is characteristic of Japan, where it is a rare largely female, but seldom boy's name, Tanzania, where it is a very rare girly name, and China, where it is a very rare principally male, but very infrequently girly name. Not in comparison with a country's population, it most frequently occurs in Japan, China, and India. More frequently, 堺 is the last name as well as the forename.
堺 is also a name for the fictitious and mythical characters: .