Heidenheim is a German football club based in the city of Heidenheim an der Brenz, located in the state of Baden-Württemberg.
Chelsea is an English football club based in London, known for its success in domestic and European competitions.
The Europa Conference League is a new UEFA club competition introduced in 2021, providing additional opportunities for teams from smaller leagues to compete in European competitions.
Heidenheim qualified for the Europa Conference League through their performance in the Bundesliga 2, the second tier of German football.
Chelsea qualified for the Europa Conference League through their performance in the Premier League, finishing in the top half of the table.
Despite being at different levels of football, Heidenheim and Chelsea will both be looking to make their mark in the inaugural season of the Europa Conference League.