Warren Parish is a former parish of Louisiana

Louisiana

Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

, formed in 1811 from parts of Concordia Parish. The parish was located in parts of present day Madison and East Carroll Parishes. All of present day Madison Parish

Madison Parish, Louisiana

-National protected areas:* Tensas River National Wildlife Refuge * Vicksburg National Military Park -Demographics:-2010:Whereas according to the 2010 U.S...

 lying north of the point opposite Vicksburg, Mississippi

Vicksburg, Mississippi

Vicksburg is a city in Warren County, Mississippi, United States. It is the only city in Warren County. It is located northwest of New Orleans on the Mississippi and Yazoo rivers, and due west of Jackson, the state capital. In 1900, 14,834 people lived in Vicksburg; in 1910, 20,814; in 1920,...

, and all of present day East Carroll Parish

East Carroll Parish, Louisiana

East Carroll Parish is a parish located in the U.S. state of Louisiana. The parish seat is Lake Providence and as of 2010, the population was 7,759.-Law and government:In the 2004 presidential race, East Carroll gave the George W. Bush - Richard B...

 was part of the new parish named Warren Parish, which was formed in 1811. The State legislature erased Warren Parish in 1814, with the northern part of present day Madison Parish going to Ouachita Parish and the southern part going to Concordia again.