Walmart de México y Centroamérica, commonly known as Walmex, is the Mexican and Central American division of the American retailer Walmart. It is the largest division of Walmart outside the United States and the largest retailer in Latin America. As of June 2025, the company operated 4,124 stores across the region. In Central America, it maintains operations in Guatemala, Honduras, El Salvador, Nicaragua, and Costa Rica. The company is listed on the Mexican Stock Exchange and is a constituent of the S&P/BMV IPC index.