The 2. deild karla is the third tier of men's football in Iceland. It serves as a competitive platform for clubs aiming to rise through the ranks of Icelandic football. Teams in this league compete for promotion to the higher 1. deild karla, which is the second tier. Founded in 1947, the league has seen various clubs participate over the years. The structure typically includes a round-robin format, where each team plays against every other team. The top teams at the end of the season earn promotion, while the lower-ranked teams may face relegation to the 3. deild karla.