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Cognomen Milko (Milko
, Милко
, Милько
, along with others...) , in the entire world, is quite a common last name. The last name Milko is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Belarus. In absolute terms, this name is the most popular in Russia, Bulgaria, and Ethiopia. Also, Milko is the forename as well as the last name.