NL, is the fourth tier of the Croatian football league system.

[4] The fourth Croatian football league was played for the first time in 2006, after the merger of the 2.

HNL, which was then created as a successor to the regional leagues, but did not survive for more than one season, and then functioned under that name only in the territory of Northern Croatia.

The competition takes place in five groups of up to eighteen (18) clubs according to the double point system, and the exact number of participants is determined by the competition regulations.

[5] Groups are formed and managed in the HNS regional centers: Key