Trio Bulgarka (also known as "Three Golden Coins", previously known as "Bulgarka Folk Trio") is a Bulgarian vocal ensemble. They gained international prominence through their contributions to the groundbreaking 1975 world music album Balkana: The music of Bulgaria, originally released on the now defunct Hannibal label. The trio comprises Stoyanka Boneva from Pirin, Yanka Rupkina from Strandja and Eva Georgieva from Dobroudja.