Kragujevac (Serbian Cyrillic: Крагујевац, pronounced [krǎɡujeʋat͡s] ( listen)) is the fourth largest city in Serbia, the main city of the Šumadija region and the administrative centre of Šumadija District. It is situated on the banks of the river Lepenica. According to official,results of the 2011 census, the city has a population of 147,281 inhabitants, while municipality has a population of 177,468.
Kragujevac was the first capital of modern Serbia (1818–1839), and the first constitution in the Balkans was proclaimed in this city in 1835. Further on, the first full- fledged university in the newly independent Serbia was founded in 1838, preceded by the first grammar school (Gimnazija), Printworks (both in 1833), professional National theatre (1835) and the Military academy (1837).

Belgrade took the lead by becoming the seat of the throne in 1841. The University of Kragujevac was not reestablished until 1976. Contemporary Kragujevac is known for its weapons, munition, and Zastava Automobiles company.