Heidenheim is a German football club based in the city of Heidenheim an der Brenz, in the state of Baden-Württemberg.
Hacken is a Swedish football club based in Halmstad, in the southwestern part of the country.
Heidenheim and Hacken are both competing in the inaugural season of the Europa Conference League, a new European football competition introduced by UEFA.
Heidenheim finished in 5th place in the 2020-2021 2. Bundesliga season, narrowly missing out on promotion to the Bundesliga.
Hacken finished in 5th place in the 2020 Allsvenskan season, securing qualification to the Europa Conference League through their league performance.
This will be the first meeting between Heidenheim and Hacken in a UEFA competition, adding an element of novelty to their Europa Conference League matchup.