The Prva A liga, for sponsorships reasons named the Erste Liga, is the top-tier professional basketball league in Montenegro. It is the highest basketball division organized by the Basketball Association of Montenegro (KSCG). It was established in 2006. shortly after Montenegro declared its independence from Serbia and Montenegro.
The league is sponsored by and named after Erste Bank. Currently, two clubs from the area are playing in the regional ABA League. The most successful club in the Prva A liga is Budućnost Podgorica, which has won 14 titles, after winning the 2022 championship.