The Africa Cup of Nations commonly also known as AFCON or CAN, is the main international men's association football competition in Africa. It is sanctioned by the Confederation of African Football (CAF), and was first held in 1957. Since 1968, it has been held every two years, switching to odd-numbered years in 2013. Each new season a new country host the competition. 24 teams participate in the finals divided into 6 groups, each group with 4 teams.