Soko Grad
Sokobanja, Serbia
Soko Grad (Serbian Cyrillic), also known as Sokolac, is a medieval city and fortress 2 km east of the spa town of Sokobanja, Serbia. The fortress was declared a Monument of Culture of Great Importance in 1982, and it is protected by the Republic of Serbia.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).