Lutsk is a city on the Styr River in northwestern Ukraine. It is the administrative center of Volyn Oblast and the administrative center of Lutsk Raion within the oblast. Lutsk has a population of 215,986. Historically it was a cultural and religious center in Volhynia.

Volyn Oblast or simply Volyn is an oblast (province) in northwestern Ukraine. It borders Rivne Oblast to the east, Lviv Oblast to the south, Poland to the west and Belarus to the north. Its administrative centre is Lutsk. Kovel is the westernmost town and the last station in Ukraine on the rail line running from Kyiv to Warsaw. The population is 1,021,356.