Melnik is a town in Blagoevgrad Province, southwestern Bulgaria, in the southwestern Pirin Mountains. The town is an architectural reserve and 96 of its buildings are cultural monuments. With a population of 385, it is the smallest town in Bulgaria, retaining its city status today for historical reasons.
The unique architecture of Melnik and the nearby Rozhen Monastery (located 6 km southeast of Melnik) make it a popular tourist destination. The town is also associated with the impressive natural sand pyramids in various forms, resembling giant mushrooms, ancient towers and obelisks, spread in an area of 17 km² near Melnik, Kurlanovo and Rozhen. The town has also been famous for producing a strong wine since at least 1346.