California trustee duty of impartiality. It has a population of 39,663,800, making it the most populated state in the country. It is the most populous state in the nation. Learn about national parks, hotels, restaurants, beaches, mountains, cities, and more. California (/ ˌkælɪˈfɔːrniə /) is a state in the Western United States that lies on the Pacific Coast. state. S. California is a state on the West Coast of the United States, along the Pacific Ocean. See California travel guide for vacations in California with maps, photos, things to do, hotels, theme parks, reservations California (/ ˌkælɪˈfɔːrniə /) is a state in the Western United States that lies on the Pacific Coast. Description: This map shows states boundaries, the state capital, counties, county seats, cities and towns, islands, lakes, and national parks in California. The four largest cities are Los Angeles, San Diego, San Francisco, and San Jose. y3c jy0fb es q8vr iwmm uxtmyy zjdfp pmcl uefg t9mdd