Imperial Beach, California, is the most southwesterly city within the U.S. Situated near the Mexico border, there is a clear view of the Plaza Monumental de Tijuana. It has a population of about 26,000 people and covers 14.1 miles south of downtown San Diego and 5 miles northwest of downtown Tijuana, Mexico in San Diego County.
California is in the Western United States. It shares borders with Nevada, Arizona, the Pacific Ocean, Oregon, and Baja California. There are more than 39,500,000 people in about 163,696 square miles, making it the third-largest state. The state capital is Sacramento, and Los Angeles is the most populous city.