Complex sentence: Black Rock is a village/neighborhood located in the southwestern section of Bridgeport, Fairfield County, Connecticut, United States that used to be part of the Town of Fairfield before the State of Connecticut granted the land over to Bridgeport.
Split into simpler sentences: Black Rock is a neighborhood or section of the city of Bridgeport, Fairfield County, Connecticut, United States, located in the southwestern section of the city. It was part of the Town of Fairfield before the State of Connecticut granted the land over to Bridgeport.