Is San FranciscoSan Diego a megalopolis?

San Francisco and San Diego are not considered a megalopolis on their own, as a megalopolis typically refers to a large, densely populated urban area that encompasses multiple cities and suburbs, often connected by infrastructure and economic ties. However, they are part of California's larger urban corridor, which includes several major cities like Los Angeles. This broader region could be characterized as a megalopolis, often referred to as "Cascadia" or the "California megalopolis," due to the interconnectedness of these urban areas.