RKL consists of 32 basketball teams from 28 Lithuania cities.

Regions divided to four groups: Aukštaitija, Žemaitija, Suvalkija and center of Lithuania.

In the 2006-2007 RKL season, there was some differences as the regions was divided to two groups: East and West of Lithuania and the number of participants was 28 (14 teams for each group).

There is B Division of RKL, which is the 4th tier basketball league of Lithuania.

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