Bethany is an unincorporated community in Caddo Parish, Louisiana and Panola County, Texas, on U.S. Highway 79. The Caddo Parrish portion of the community is part of the Shreveport – Bossier City metropolitan area.Bethany was founded in 1840. It was named after the Bethany Church.The northern part of Bethany is located in Caddo Parish. The southern portion is in northeastern Panola County, some twenty-two miles northeast of Carthage, Texas.