The eight largest city in the United States and the second largest city in California, San Diego is known as the Birthplace of California. Immediately to the South is Tijuana, Mexico and the two cities are known as a metropolitan conurbation.
The eight largest city in the United States and the second largest city in California, San Diego is known as the Birthplace of California. Immediately to the South is Tijuana, Mexico and the two cities are known as a metropolitan conurbation.