Zaječar is a city and the administrative center of the Zaječar District in eastern Serbia. According to the 2022 census, the city administrative area has a population of 48,621 inhabitants.
Zaječar is widely known for its rock music festival Gitarijada and for the festival dedicated to contemporary art ZALET.
Wikipedia https://en.wikipedia.org/wiki/Zaječar
Coordinates 43°54'11.133" N 22°16'42.793" E