Bolgarka (, Bolgarka, بولگاركا; , Bolgarka) is a selo in Alga District, Aktobe Region, west Kazakhstan. It lies at an altitude of . Population:
It was founded in 1905 by settlers from Bessarabia belonging to the Gagauz, Bulgarian, and Romanian communities.https://eehb.dspu.edu.ua/article/download/324613/315399/754726
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