Spanish clubs have won the UEFA Champions League the most times, with a total of 18 titles. The most successful Spanish clubs include Real Madrid (13 titles) and Barcelona (5 titles).
Italian clubs have won the UEFA Champions League a total of 12 times. The most successful Italian club is AC Milan, with 7 titles.
English clubs have won the UEFA Champions League a total of 13 times. The most successful English club is Liverpool, with 6 titles.
German clubs have won the UEFA Champions League a total of 7 times. The most successful German club is Bayern Munich, with 6 titles.
Dutch clubs have won the UEFA Champions League a total of 6 times. The most successful Dutch club is Ajax, with 4 titles.