The Mississippi Band of Choctaw Indians (Choctaw: Mississippi Chahta) is one of three federally recognized tribes of Choctaw Native Americans, and the only one in the state of Mississippi. On April 20, 1945, this tribe organized under the Indian Reorganization Act of 1934. Their reservation in included lands in Neshoba, Leake, Newton, Scott, Jones, Attala, Kemper, and Winston counties. The other two Choctaw tribes are the Choctaw Nation of Oklahoma, the third largest tribe in the United States, and the Jena Band of Choctaw Indians, located in Louisiana.