Known as one of the most esteemed tournaments organized at the International level in association with the renowned club competition in the European Football, which is been played by the National League Champions from the UEFA National Associations.

Presented in 1992, the opposition supplanted the European Champion Clubs' Cup, or essentially European Cup, which had to keep running since 1955, adding a gathering stage to the opposition and permitting various participants from certain countries. The pre-1992 rivalry was at first a straight knockout competition open just to the champion club of every nation. Amid the 1990s, the configuration was extended, joining a round-robin assemble stage to incorporate clubs that completed sprinter up to a few countries' best level league. While a large portion of Europe's national classes can in any case just enter their national alliance champion, Europe's most grounded national associations now give up to four groups to the competition and will give up to five groups from the 2015– 16 season onwards. Clubs that complete next-in-line in every country's best level class, having not met all requirements for the UEFA Champions League rivalry, might be qualified for the following level UEFA Europa League rivalry.