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Family name Shirko (شيركو , Shirko , Ширко ) , in the world, is quite a rare surname. The last name Shirko is characteristic of Belarus, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Syria. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Belarus, Russia, and Ukraine. More prevalently, Shirko is the forename as well as the last name.