Velika Gorica is the largest and most populous city in Zagreb County, Croatia. According to the 2011 census, the city itself has a population of 31,341, and the municipality has a population of 63,517 inhabitants.

D31 is a state road in central Croatia connecting Velika Gorica and Glina to Croatian motorway network at the A11 motorway Velika Gorica - jug (south) interchange. The road also serves as a connection to the A3 motorway via D30 state road. The road is 56.2 km (34.9 mi) long. The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, state owned company.