The Champions League 2017-2018 is the 63rd edition of the European Champion Clubs' Cup. 79 European football clubs should participate.
According to the UEFA coefficients of the countries 2015-2016, an access list first defines the number of clubs an association has the right to send. The breakdown for the 2017-2018 season is as follows
The holder of the title of the previous edition;
The associations in places 1 to 3 send the four best clubs of their championship.
The associations in places 4 to 6 send the three best clubs of their championship.
The associations in places 7 to 15 send the two best clubs of their championship.
