Niš Constantine the Great Airport is an international airport serving the city of Niš in southern Serbia. Named after the Roman Emperor Constantine the Great, who was born in Naissus (modern-day Niš), the airport handles both scheduled and charter traffic and serves as an important aviation hub for the Nišava District and surrounding regions. The airport has undergone modernization efforts in recent years to expand capacity and improve passenger facilities. It handles a growing number of low-cost carriers connecting Niš to major European destinations, contributing significantly to the regional economy and tourism. As Serbia's second-busiest airport after Belgrade's Nikola Tesla Airport, Niš Constantine the Great Airport plays a vital role in the country's air transport network, particularly for passengers in southern Serbia and neighboring North Macedonia.