The DBR territory belongs to the primary and secondary geosystems of the Danube Delta and is located in the north-eastern part of the Danube Delta in the eastern part of the city of Kealia and south of Lake Sasik. In the east, the DBR borders the Black Sea and to the south, the Ukrainian-Romanian border. On the perimeter of the reserve sits the city of Vilkovo and other outlying villages. The largest population centers in the area include the cities of Kealia, Tatarbunary and Vilkovo. The DBR administration is located in the Vilkovo Izmail district, Odessa region, Tatarbunar  st.  uprising 134 A, 68355