The Slovenia 1. SKL, also known as the Liga Nova KBM due to sponsorship reasons, is the top professional basketball league in Slovenia. The league was established in 1991 following the dissolution of Yugoslavia, and it is organized by the Basketball Federation of Slovenia. The Slovenia 1.

SKL consists of 10 teams that compete in a regular season from October to April, followed by playoffs to determine the league champion. The league is known for its competitive play, and many talented Slovenian and international players have emerged from the league, including Luka Dončić. Notable teams in the league include KK Cedevita Olimpija, KK Krka, and KK Helios Suns. The Slovenia 1. SKL provides an opportunity for players to showcase their skills and potentially play in top leagues around the world.