The culture of Los Angeles is rich with arts and ethnically diverse. The greater Los Angeles metro area has several notable art museums including the Los Angeles County Museum of Art (LACMA), the J. Paul Getty Museum on the Santa Monica Mountains overlooking the Pacific, the Museum of Contemporary Art (MOCA), and the Hammer Museum. In the 1920s and 1930s Will Durant and Ariel Durant, Arnold Schoenberg and other intellectuals were the representatives of culture, in addition to the movie writers and directors. As the city flourished financially in the middle of the 20th century, culture followed. Boosters such as Dorothy Buffum Chandler and other philanthropists raised funds for the establishment of art museums, music centers and theaters. Today, the Southland cultural scene is as complex, sophisticated and varied as any in the world.

Los Angeles, often referred to by its initials L.A., is the most populous city in the U.S. state of California. With roughly 3.9 million residents within the city limits as of 2020, Los Angeles is the second-most populous city in the United States, behind only New York City; it is also the commercial, financial and cultural center of Southern California. Los Angeles has an ethnically and culturally diverse population, and is the principal city of a metropolitan area of 13.2 million people. Greater Los Angeles, which includes the Los Angeles and Riverside–San Bernardino metropolitan areas, is a sprawling metropolis of over 18 million residents.