Berezovskoe is a lake in the Senno district of the Vitebsk region of Belarus in the Western Dvina basin. The surface area of the lake is 2.6 km², length 5.1 km, the greatest width 1.05 km. The greatest depth of the lake reaches 15.8 m, the average depth is 5.8 m. The length of the coastline is 18.9 km, the catchment area is 25.8 km². The lake is located 10 km east of the city of Senno. On the northwestern shore of the lake is the village of Beryozki, on the eastern – Zaozerye, on the southern – Dawn and Studenka. On the western shore of the lake is the source of the Berezka River, several streams flow into the lake. The lake has a strongly elongated shape from northwest to southeast. The coastline is very winding, there are a number of peninsulas and islands.