Soccsksargen

Soccsksargen (sometimes stylised as SOCCSKSARGEN) is an administrative region of the Philippines. It is also known as Region XII. The regional center is Koronadal.
There are four provinces and 1 city. They are South Cotabato, Cotabato, Sultan Kudarat, Sarangani and General Santos. 
Mindanao River is in the region. It empties into the Illana Bay of the larger Moro Gulf.