IV liga


4 liga is the 5th level of the Polish football league system. The current structure of IV liga was created in season 2008/09 after introducing new administrative division of Poland. 16 clubs, one from each voivodeship, are promoted to III liga. The bottom clubs are relegated to Liga okręgowa.
Until the end of the 2007/08 season IV liga lay at 4th tier of league system but this was changed with the formation of the Ekstraklasa as the top level league in Poland.

Groups

In 2019/20 season there are 20 parallel groups of IV liga. There are two groups in 4 voivodeships but only one club can be promoted after winning the play-offs between the winners of these two groups.