The bottom two NBL teams from each season's standings are relegated to the 2nd-tier level 1.

Liga teams from each season's standings are promoted to the NBL.

The following are the teams in the 2023–24 season:[2] Total number of national champions won by Czech clubs.

Table includes titles won during the Czechoslovak Basketball League (1929–1993).

The champion is determined in a playoff, with the bottom two teams getting sent to the 1. liga.