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Cognomen Iljas (Ильяс , Iljas , Иляс ) , all around the world, is quite a common family name. The surname Iljas is characteristic of Kyrgyzstan, where it is quite a common surname, Azerbaijan, and North Macedonia, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Kyrgyzstan, Indonesia, and Azerbaijan. More frequently, Iljas is the forename as well as the last name.