Wikipedia - Superettan

Superettan (Swedish pronunciation: [ˈsʉ̂ːpɛrˌɛtːan]; lit.'the Super First (Division)') is an association football league and the second highest league in the league system of Swedish men's football. Contested by 16 clubs, it operates on a system of promotion and relegation with Allsvenskan and Division 1. Seasons run from April to October, with teams playing 30 matches each, totalling 240 matches in the season.

The league was created in 2000. The second tier of Swedish football had previously consisted of a varying number of regionalized leagues operating under the Division 2 (1924–1986) and Division 1 (1987–1999) names.

The Sweden Superettan is the second-highest division in Swedish professional football, serving as a vital platform for emerging talent and competitive club football in Sweden. Established in 2000, the league features 16 teams competing annually for promotion to the top-tier Allsvenskan and to avoid relegation to the lower divisions. Known for its passionate fan base and intense matches, Superettan showcases a mix of experienced players and promising young talents. The tournament runs from spring to autumn, reflecting Sweden's seasonal climate, and offers an exciting blend of strategic gameplay and spirited competition. Fans can enjoy thrilling fixtures, memorable moments, and a showcase of Swedish football's future stars throughout the season.