Vukovar
…regions of Syrmia and Slavonia. It contains Croatia's largest river port, located at the confluence of the Vuka and the Danube. Vukovar is the seat of Vukovar-Syrmia County and the second-largest city in the county after Vinkovci. The city's registered population was 22,616 in the 2021 census, with a total of 23,536 in the…