Tacurong City: The commercial center and only component city.
Isulan: The capital town and a major growth center.
Lebak: A coastal town and regional growth hub.
Kalamansig: A coastal municipality along the sea.
Palimbang: A southern coastal municipality.
Bagumbayan: An inland municipality.
Columbio: An inland municipality.
Esperanza: An inland municipality.
Lambayong: An inland municipality.
Lutayan: An inland municipality.
Mariano M. Marcos: An inland municipality (also known as Sen. Ninoy Aquino).
President Quirino: An inland municipality.
