The river of Dnestr, c.850 miles (1,370 km) long, forming part of the border between Ukraine and Moldova. It rises in the Carpathian Mts., flows generally to the south-east through south-western Ukraine past Halych, Khotin, and Mogilev-Podolsky, through Moldova past Tighina and Tiraspol, and empties through an estuary into the Black Sea south-west of Odessa.

The Dnestr formed the Romanian-Soviet border from 1918 to 1940, when the USSR regained Bessarabia.

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