Belarus–Latvia border

The Daugava ( ), also known as the Western Dvina or the Väina River, is a large river rising in the Valdai Hills of Russia that flows through Belarus and Latvia into the Gulf of Riga of the Baltic Sea. The Daugava rises close to the source of the Volga. It is in length, of which are in Latvia and in Russia. It is a westward-flowing river, tracing out a great south-bending curve as it passes through northern Belarus.

border crisis between Belarus and the European Union

Druja (; ; ; ) is an agrotown in Braslaw District, Vitebsk Region, Belarus. It is located on the left bank of the Western Dvina, at the mouth of the Druyka River, opposite the Latvian parish of Piedruja. It is situated about northeast of Braslaw. The population is about 1,500 (2006).

spans from the tripoint with Lithuania to the tripoint with Russia

lake in Belarus and Latvia