Original: It is the larger of the two principal cities of the Gulfport-Biloxi, Mississippi Metropolitan Statistical Area, which is included in the Gulfport-Biloxi-Pascagoula, Mississippi Combined Statistical Area.
Simplified: It is the larger (population wise) of two, aom cities of the Gulfport-Biloxi, Mississippi Metropolitan Statistical Area, which is included in the Gulfport-Biloxi-Pascagoula, Mississippi Combined Statistical Area.