The Republic of Belarus is a landlocked nation situated in Eastern Europe, positioned strategically at the crossroads between the European Union and the Russian Federation. Its geography is characterized by a predominantly flat terrain that forms part of the East European Plain, with a mean elevation of approximately 160 meters above sea level. The country shares its borders with five neighbors: Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Unlike many of its neighbors, the Belarusian landscape is notable for its lack of significant mountain ranges, with the highest point, Dzyarzhynskaya Hara, reaching a modest 346 meters. This topography has historically made the region a major transit corridor for trade and military movements across the continent.

The hydrological network of Belarus is extensive and vital to its ecological and economic structure, earning it the nickname "the blue-eyed country." There are approximately 20,800 rivers and over 11,000 lakes scattered throughout the territory. The river systems belong to the basins of the Baltic and Black Seas, with the Dnieper being the longest river flowing through the country. Other major waterways include the Western Dvina, the Neman, and the Pripyat. The northern part of the country is particularly lake-dense, featuring the Braslav Lake District, which was formed by the melting of the Valdai glacier nearly 20,000 years ago. Lake Naroch stands as the largest water body, covering over 80 square kilometers, while Lake Dolgoye is the deepest, reaching depths of over 53 meters.

Forests are a defining feature of the Belarusian landscape, covering roughly 40% of the total land area. This dense vegetation is why the country is frequently referred to as the "lungs of Europe." The forests are primarily composed of coniferous species like pine and spruce, though deciduous trees like birch, alder, and oak are also prevalent. These woodlands are not only an economic resource for the timber and paper industries but also a sanctuary for diverse wildlife. The most famous of these is the Białowieża Forest, a UNESCO World Heritage site shared with Poland. It represents one of the last and largest remaining parts of the immense primeval forest that once stretched across the European Plain, serving as the primary habitat for the European bison.