Leskovac is a city and the administrative center of the Jablanica District in southern Serbia. According to the 2022 census, the city of Leskovac has 123,950 inhabitants.

The Jablanica District is one of nine administrative districts of Southern and Eastern Serbia. It expands in the south-eastern parts of Serbia. As of 2022 census, the district has a population of 184,502 inhabitants. The administrative center of the district is the city of Leskovac.