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Cognomen Nka (Nka , نكة) , all over the world, is quite a rare last name. The surname Nka is characteristic of Equatorial Guinea, where it is quite a rare surname, Czechia, and Gabon. In absolute terms, this name is the most popular in Cameroon, Czechia, and the Democratic Republic of the Congo. Much less frequently, Nka is the forename as well as the last name.