2023The City of Nis - First Day Cover

The city of Niš is the largest city in southeastern Serbia and the third city in terms of population in the Republic of Serbia. It is the seat of the Nišava administrative district and one of the most important economic, cultural and educational centers in the country. Throughout history, due to its geostrategic position, Niš has played an important role in the Balkans and in this part of Europe.