National City, California, has a thriving bi-national region with more than 3,000 businesses and about 61,000 residents that benefit from a central location, transportation network, business industry, and proximity to San Diego Bay, US-Mexico border downtown San Diego, international airport, and higher education. It is encircled by I-5 and I-805 and highways 54 and 15.
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.