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Cognomen Koulla (Koulla , Κούλα , Κουλλά) , all over the world, is a rare last name. The last name Koulla is characteristic of Cyprus, where it is quite a rare surname, Algeria, and Cameroon, where it is a rare surname. In absolute terms, it is commonest in Algeria, Cameroon, and France. Likewise, Koulla is the forename as well as the last name.