Buga, formally Guadalajara de Buga, is a city and municipality in the Valle del Cauca Department of Colombia. It is famous for its Basilica del Señor de los Milagros, which houses an image of Christ called el Señor de los Milagros.

Valle del Cauca, or Cauca Valley, is a department in western Colombia abutting the Pacific Ocean. Its capital is Santiago de Cali. Other cities such as Buenaventura, Buga, Cartago, Palmira and Tuluá have great economical, political, social and cultural influence on the department's life. Valle del Cauca has the largest number of independent towns with over 100,000 inhabitants in the country, counting six within its borders. Buenaventura has the largest and busiest seaport in Colombia, moving about 8,500,000 tons of merchandise annually.