Biloxi ([bəˈlʌksi]) is a city in Harrison County, Mississippi, in the United States. The 2000 census recorded the population as 50,644. Biloxi is co–county seat with the larger city Gulfport, in the Gulfport-Biloxi, Mississippi Metropolitan Statistical Area, which is included in 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.