Arka Gdynia is a Polish professional basketball team, based in Gdynia. The team plays in the Polish PLK. The club's sponsorship name comes from the company Asseco. Historically the team is one of the most successful in Poland, mainly because of the nine championships in a row the team won from 2004 to 2012.

Polska Liga Koszykówki (PLK) is a professional men's club basketball league in Poland. It constitutes the first and highest-tier level of the Polish league pyramid. The winning team of the final round are crowned the Polish Champions of that season. It began in 1947–48, with the name of I Liga, and was originally organized by the Polish Basketball Federation. The league changed to its current form, beginning with the 1997–98 season, after the Polska Liga Koszykówki SA, PLK SA took control over the league. In 2000–01 season the league turned professional.