Is la San Francisco or los Angeles

LA is the abbreviation of Los Angeles. Located in the southwest of California, Los Angeles is the second largest city in the United States and the largest city in the western United States. It is often called "city of angels", while San Francisco is a city in northern California, a world-famous tourist attraction and one of the most important financial, trade and cultural centers in the United States. It is surrounded by water on three sides and has a beautiful environment. It is a mountain city.