League Structure
Southern Zone
The zone has existed since 1999 until 2020. Kaunas County Football Federation was in charge of the competition in this zone.Eastern Zone
The zone existed in 2015 and 2016, however, due to a club mass withdrawal from the competition, the zone was done away with, and the remaining clubs joined the Southern Zone. Vilnius region football union was in charge of the competition in this zone.Western Zone
In 2007 the zone was merged into the Northern Zone and ceased to exist. In 2008 the Northern Zone was renamed the Western Zone. The zone existed until 2020. Telšiai County Football Federation was in charge of the competition in this zone.Northern Zone
The zone existed from 2002 to 2007, afterwards it was renamed the Western Zone. Telšiai County Football Federation was in charge of the competition in this zone.Recent Seasons
The 2021 season was the first season in single league format, doing away with the Southern Zone and the Western Zone. The league was planned to be 16-team competition, however, 20 teams were allowed to participate. Because of this, the format was changed to 1.5 rounds - after playing the first round, the league was split into top and bottom groups. The teams played the second round among the teams of its group. As the 2021 I lyga only had 14 teams instead of planned 16, 4 teams qualified for promotion this season. In the 2022 season, 22 teams attempted to license to II lyga. Although the league was planned to be a 16-team competition, in the end 18 teams were granted licenses.See also
*References
{{UEFA third level leagues 3 Lith Professional sports leagues in Lithuania