42°25′N 25°30′E / 42.417°N 25.500°E
Stara Zagora (Bulgarian: Област Стара Загора), formerly known as the Stara Zagora okrug, is a province of south-central Bulgaria. It is named after its administrative and industrial centre—the city of Stara Zagora—the sixth-biggest town in the country. The province embraces a territory of 5,151.1 km (1,988.9 sq mi) that is divided into 11 municipalities with a total population, as of December 2009, of 350,925 inhabitants.