Ilok is the easternmost town an municipality in Croatia. Located in the Slavonia region, it lies on a hill overlooking the Danube river, which forms the border with the Vojvodina region of Serbia. The population of the town of Ilok is 5,897, while the total municipality population is 8,351 (census 2001). The town is home to a Franciscan monastery, which is a popular day trip for domestic tourists. Ilok used to be part of the Vukovar municipality.