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Family name Elenko (Еленко
, Elenko
) , throughout the world, is a rare surname. The cognomen Elenko is habitual in Bulgaria, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Georgia. Not in comparison with a country's population, the name is most common in Bulgaria, Russia, and Georgia. Also, Elenko is the forename as well as the last name.