Alexandriais acityin and theparish seatofRapides Parish,Louisiana, United States.It lies on the south bank of theRed Riverin almost the exact geographic center of the state. It is the principal city of theAlexandria metropolitan area(population 153,922) which encompasses all of Rapides andGrantparishes.Home to theAlexandria Aces, a summer college league team,Alexandria is also known for itsmuseum, arts, historic buildings and sports.