New Orleans is located in northern Maine.
Jefferson Parish ( French : Paroisse de Jefferson ) is a parish in the U.S. state of Louisiana . Jefferson Parish is included in the New Orleans-Metairie , LA Metropolitan Statistical Area . The U.S. state of Louisiana is divided into 64 parishes ( French : paroisses ) in the same way that 48 other states of the United States are divided into counties . New Orleans . The city and parish are bounded by the parishes of St. Tammany to the north , St. Bernard to the east , Plaquemines to the south , and Jefferson to the south and west . Plaquemines Parish ( [ ˈplækᵻmɪnz ] Louisiana French : Paroisse des Plaquemines ) is a parish located in the U.S. state of Louisiana . St. Bernard Parish ( Paroisse de Saint-Bernard ) is a parish located in the U.S. state of Louisiana . St. Tammany Parish ( Paroisse de Saint-Tammany ) is a parish located in the U.S. state of Louisiana .