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Cognomen Boika (Бойка , Boika , Боика ) , in all the world, is quite a rare surname. The family name Boika is habitual in Bulgaria, where it is quite a common surname, Belarus, where it is a rare surname, and Algeria. In absolute terms, this name is the most popular in Bulgaria, Egypt, and Algeria. Likewise, Boika is the forename as well as the last name.