Los Angeles, California, often known as LA, is a major city located in Southern California. It is famous for its entertainment industry, particularly in Hollywood, which is the heart of the film and television world. The city is also known for its diverse culture, beautiful beaches, and iconic landmarks like the Hollywood Sign and Griffith Observatory. With a population of nearly 4 million people, Los Angeles is one of the most populous cities in the United States. The city has a Mediterranean climate, characterized by warm, dry summers and mild, wet winters. LA is also home to numerous museums, parks, and sports teams, making it a vibrant place to live and visit.