Koronadal, officially the City of Koronadal and popularly known as Marbel, is a 3rd class component city in the Philippines. It is the capital of the province of South Cotabato and regional center of SOCCSKSARGEN (Region XII). According to the 2010 census, it has a population of 158,273.
Koronadal became a component city of South Cotabato by virtue of Republic Act 8803 dated October 8, 2000. In 2003 and 2005 the city was recognized as "Most Competitive City" in the small-city category, and in 2005 and 2006 as the most business friendly city in Mindanao. Koronadal also hosted several national activities such as the Palarong Pambansa in 1996 with General Santos and solo in 2007, Mindanao Business Forum, and National Schools Press Conference. On June 12, 2009, President Gloria Macapagal-Arroyo together with Defense Secretary Gibo Teodoro celebrated the 111th Independence Day in the city, which marks a significant and historic event in the history of Koronadal.