California is a state in the Pacific Region of the United States of America. With 39.5 million residents across a total area of about 163,696 square miles (423,970 km2), California is the most populous U.S. state and the third-largest by area, and is also the world’s thirty-fourth most populous subnational entity. California is also the most populated subnational entity in North America, and has its state capital in Sacramento. The Bear Flag is the official flag of the U.S. state of California. The precursor of the flag was first flown during the 1846 Bear Flag Revolt and was also known as the Bear Flag. Full HD.