Zapopan (zäpōpänˈ) [key], city (1990 pop. 668,323), Jalisco state, SW Mexico; est. 1541. In close proximity to Guadalajara, Zapopan is a growing city. It is a commercial center for the surrounding region. The Basilica of Our Lady of Zapopan, who is said to have brought peace by a miraculous intervention in the Mixtón War (1539–42), makes the city a pilgrimage point as well as a tourist spot.