Southern California is a region in the southern part of the state of California, known for its diverse landscapes, including beaches, mountains, and deserts. Major cities in this area include Los Angeles, San Diego, and Santa Ana. The climate is typically warm and sunny, making it a popular destination for tourists and residents alike. The region is also famous for its entertainment industry, particularly in Hollywood, where many movies and television shows are produced. Additionally, Southern California is home to several national parks, such as Joshua Tree and Channel Islands, offering outdoor recreational opportunities for visitors and locals.