NK Celje is a Slovenian football club based in Celje, Slovenia. They are participating in the Europa Conference League for the first time in the 2021-2022 season.
Basaksehir is a Turkish football club based in Istanbul, Turkey. They are also making their debut in the Europa Conference League this season.
NK Celje finished 3rd in the Slovenian PrvaLiga in the 2020-2021 season, earning them a spot in the Europa Conference League qualifying rounds.
Basaksehir finished 6th in the Turkish Super Lig in the 2020-2021 season, also securing a place in the Europa Conference League qualifying rounds.
NK Celje was founded in 1919 and has won the Slovenian PrvaLiga once in their history, in the 2019-2020 season.
Basaksehir was founded in 1990 and won their first Turkish Super Lig title in the 2019-2020 season. They also won the Turkish Cup in the same season, completing a historic domestic double.