The congressional district (since 2023), overlayed with other congressional districts, county boundaries, urban areas, municipalities, and neighborhoods, as well as major roads, publicly-owned lands (including national forests and parks), American Indian areas (including reservations), military installations, landmarks, and water areas.
Shapefiles from:

the United States Census Bureau, *the California State Geoportal
San Francisco GIS
City of Los Angeles Hub
SANDAG/SanGIS Regional GIS Data Warehouse Open Data Portal
the United States Forest Service
the National Park Service
the University of California, Berkeley Museum of Vertebrate Zoology via the Princeton University Library (licensed under CC BY 3.0)
Created with Mapshaper and Inkscape.
Own work