biloxi is a city in harrison county, mississippi, in the united states. along with gulfport, biloxi is a county seat of harrison county. the city is part of the gulfport-biloxi metropolitan area and the gulfport-biloxi-pascagoula, mississippi combined statistical area. the beachfront of biloxi lies directly on the mississippi sound, with barrier islands scattered off the coast and into the gulf of mexico.
