This polygon shapefile depicts unincorporated cities in the nine county San Francisco Bay Area Region, California. This data was compiled by the GreenInfo Network from the United States Census Bureau Topologically Integrated Geographic Encoding and Referencing GIS database called TIGER/Line,as well as different data from County and City agencies. Data was merged together into one file.This dataset was developed/compiled for use in the San Francisco Bay Area Upland Habitat Goals Project, a Project used to identify a Conservation Lands Network (CLN) for biodiversity preservation to inform conservation investments and lasting cooperative conservation partnerships. The Conservation Lands Network GIS Database is the primary output of the Project. The data depicts the spatially explicit CLN that is recommended for the nine county San Francisco Bay Area Region, California.