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Across the world, Sangen (三根 , Sakka , Sangen ) is quite a rare unisex first name. The given name Sangen is habitual in Tunisia, where it is quite a rare gender-neutral name, Indonesia, where it is a rare unisex name, and Iraq. Measured by absolute frequency, it is commonest in China, India, and Indonesia. More frequently, Sangen is the last name as well as the forename.
Sangen is also a name for the fictitious and mythical characters: .