The frequency of matches in the UEFA European Championship, commonly referred to as the UEFA Euro or simply Euro, can vary depending on the stage of the tournament. During the group stage, which typically consists of 24 teams divided into six groups, matches are usually held daily or every other day to accommodate the schedule. As the tournament progresses to the knockout stage, the frequency of matches may decrease to allow for teams to have sufficient rest between games. It's important to note that the specific match schedule is determined by UEFA and may vary for each edition of the tournament.