Smolyan is a town and ski resort in the far south of Bulgaria near the border with Greece. It is the administrative and industrial centre of the homonymous Smolyan Province.
Wikipedia

Bulgaria is a Balkan nation with diverse terrain encompassing Black Sea coastline, a mountainous interior and rivers, including the Danube. A cultural melting pot with Greek, Slavic, Ottoman, and Persian influences, it has a rich heritage of traditional dance, music, costumes, and crafts. At the foot of domed Vitosha mountain is its capital city, Sofia, dating to the 5th century B.C.
Wikipedia