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Family name チャ (Cha , Tra , チャ ) , all around the world, is a widespread last name. The family name チャ is characteristic of Algeria, where it is quite a common surname, Cayman Islands, and Ivory Coast (explore the name in all countries). In absolute terms, it is commonest in China, Algeria, and India. Much less frequently, チャ is the forename as well as the last name.