The FIFA World Cup 2026 opening match will take place at Estadio Azteca in Mexico City on June 11. Mexico will host 13 matches across Mexico City, Guadalajara, and Monterrey through July 5. Large numbers of domestic and international visitors are expected. Authorities will station over 55,000 police officers and 20,000 military personnel to support event security operations. Significant travel disruptions and heightened security expected.