New Orleans, Louisiana, the seat of Orleans Parish, which shares the same boundaries, and largest city in Louisiana. The city lies between the Mississippi River on the south, Lake Borgne on the east, and Lake Pontchartrain on the north, about 100 miles (160 km) upstream from the mouth of the Mississippi River in the Gulf of Mexico. New Orleans is a leading port and a commercial and cultural center of the southeast.
Mississippi, one of the Southern states of the United States. It is bounded on the north by Tennessee, on the east by Alabama, on the south by the Gulf of Mexico and Louisiana, and on the west by Louisiana and Arkansas.
South Carolina, a state in the southeastern United States. It extends from the Atlantic Ocean to the Appalachians between North Carolina and Georgia and, with an area of 32,007 square miles (82,898 km 2), is the smallest of the Southern states.