Complex sentence: It includes the cities of Carbondale, Scranton, Pittston, Wilkes-Barre, and Nanticoke; the City of Hazleton is located outside the physical valley (to the south).
Split into simpler sentences: It includes the cities of Carbondale, Scranton, Pittston, Wilkes-Barre, and Nanticoke. The City of Hazleton is located outside the physical valley (to the south).