List of parishes in Louisiana
The U.S. state of Louisiana is divided into 64 parishes (French: "paroisses") in the same manner that 48 other states of the United States are divided into counties, and Alaska is divided into boroughs.
Jefferson Parish, Louisiana
Jefferson Parish (French: "Paroisse de Jefferson") is a parish in the state of Louisiana. As of the 2010 census, the population was 432,552. The parish seat is Gretna.