The Romanian Basketball League, known as Liga Națională de Baschet Masculin, is the top professional basketball league in Romania. Established in 1950, it features several teams competing for the championship title each season. The league operates on a promotion and relegation system with the Liga 1, the second tier of Romanian basketball. The league consists of multiple rounds, including a regular season followed by playoffs to determine the champion. Notable teams in the league include CSM București and U-BT Cluj-Napoca, which have achieved significant success in recent years. The league also serves as a platform for developing local talent and promoting basketball in the country.