Buga, city, Valle del Cauca departamento, western Colombia, in the Cauca Valley. Founded in 1650, it is an agricultural centre in a coffee and cotton region on the Pan-American Highway and on a main highway between Bogotá and Buenaventura. Cattle, rice, tobacco, and sugarcane are also raised in the surrounding region.
The city’s basilica contains the shrine of the Milagroso Cristo de Buga (“Miraculous Christ of Buga”), to which pilgrimages are made each year. The city has a national agricultural school. The hydroelectric plant and reservoir of Calima are nearby. Pop. (2007 est.) 99,411.