Kragujevac is the fourth largest city in Serbia and the administrative centre of the Šumadija District. It is the historical centre of the geographical region of Šumadija in central Serbia, and is situated on the banks of the Lepenica River. According to the 2022 census, City of Kragujevac has 171,186 inhabitants. Kragujevac was the first capital of modern Serbia and the first constitution in the Balkans, the Sretenje Constitution, was proclaimed in the city in 1835.