Odessa region is located on the picturesque Black Sea lowland. In the north, it borders on the Kirovograd and Vinnitsa territories. In the west with the state of Moldova and unrecognized Transnistria. In the east, it has common borders with the Nikolaev region. With Romania in the southwest.
From the east and south-west it is washed by the warm waters of the Black Sea. It forms a large number of estuaries in this area.
On the northern side, there are spurs characteristic of the Podolsk Upland – 286 m above sea level. Beams and ravines differ in their depth (up to 120 m).
In the southwest, between the deep rivers Dniester and Prut, the area is characterized by a dense and deep gully-ravine network.
The rivers located on the lands of the region belong to the basins of the Southern Bug, Dniester and Black Sea. There are about 200 rivers in total, many of which dry up in the summer season.
The main waterways are the Dniester and Danube rivers, with their numerous tributaries. They are of great economic importance.