Central Region
Avoyelles Parish, Catahoula Parish, Concordia Parish, Grant Parish, La Salle Parish, Natchitoches Parish, Rapides Parish, Sabine Parish, Vernon Parish, Winn Parish
Northern Region
Bienville Parish, Bossier Parish, Caddo Parish, Caldwell Parish, Claiborne Parish, De Soto Parish, East Carroll Parish, Franklin Parish, Jackson Parish, Lincoln Parish, Madison Parish, Morehouse Parish, Ouachita Parish, Red River Parish, Richland Parish, Tensas Parish, Union Parish, Webster Parish, West Carroll Parish
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South Central Region
Ascension Parish, Assumption Parish, East Baton Rouge Parish, East Feliciana Parish, Iberia Parish, Iberville Parish, Livingston Parish, Pointe Coupee Parish, Saint Helena Parish, Saint James Parish, Saint Martin Parish, Saint Mary Parish, Terrebonne Parish, West Baton Rouge Parish, West Feliciana Parish
Southeast Region
Jefferson Parish, Lafourche Parish, Orleans Parish, Plaquemines Parish, Saint Bernard Parish, Saint Charles Parish, Saint John the Baptist Parish, Saint Tammany Parish, Tangipahoa Parish, Washington Parish
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Southwest Region
Acadia Parish, Allen Parish, Beauregard Parish, Calcasieu Parish, Cameron County, Evangeline Parish, Jefferson Davis Parish, Lafayette Parish, Saint Landry Parish, Vermilion Parish
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Regions in Louisiana:
(with names of Key Towns in each region)