Clear Lake, or the Clear Lake Area, is a region in parts of Harris and Galveston County in Texas, United States. It is part of the Galveston Bay Area, which itself is a section of the Houston–The Woodlands–Sugar Land metropolitan area. The area is geographically characterized by the bodies of water in it and around it, including Clear Lake, Taylor Lake, Clear Creek, and Galveston Bay.

Galveston County is a county in the U.S. state of Texas, located along the Gulf Coast adjacent to Galveston Bay. As of the 2020 census, its population was 350,682. The county was founded in 1838. The county seat is the City of Galveston, founded the following year, and located on Galveston Island. The most-populous municipality in the county is League City, a suburb of Houston at the northern end of the county, which surpassed Galveston in population during the early 2000s.