Soccsksargen is composed of the provinces of South Cotabato, Cotabato, Sultan Kudarat, Sarangani and General Santos City.

The region has numerous valleys, mountain ranges and an extensive coastline. As the catchbasin of Mindanao, it is rich in potable water and energy production, and is a good source of food. The longest river in Mindanao, the Rio Grande, is found in Cotabato. Agriculture and aquaculture are industries that are driving the region forward, with General Santos City making a name for itself as the Tuna Capital of the Philippines.