Shreveport is the third-largest city and the principal city of the fourth largest metropolitan area in the U.S. state of Louisiana, as well as being the 109th-largest city in the United States. It is the seat of Caddo Parish and extends along the Red River (most notably at Wright Island, the Charles and Marie Hamel Memorial Park, and Bagley Island) into neighboring Bossier Parish. Bossier City is separated from Shreveport by the Red River.