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Cognomen Chanas (Chanas , โอกาส ) , all around the world, is quite a rare last name. The cognomen Chanas is characteristic of Slovakia, where it is quite a rare surname, France, and Greece, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in France, Slovakia, and Guatemala. Also, Chanas is the forename as well as the last name.