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Cognomen Ersa (Ersa , Эрса , 埃尔莎 ) , in the entire world, is quite a rare family name. The family name Ersa is habitual in Kyrgyzstan, where it is quite a rare surname, Albania, and Indonesia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Kyrgyzstan, and Ethiopia. More frequently, Ersa is the forename as well as the last name.