Los Angeles (US: /lɔːs ˈændʒələs/ (listen) lawss AN-jəl-əs;[a] Spanish: Los Ángeles [los ˈaŋxeles], lit. 'The Angels'), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world's most populous megacities. Los Angeles is the commercial, financial, and cultural center of Southern California. With a population of roughly 3.9 million residents within the city limits as of 2020, Los Angeles is known for its Mediterranean climate, ethnic and cultural diversity, being the home of the Hollywood film industry, and its sprawling metropolitan area. The city of Los Angeles lies in a basin in Southern California adjacent to the Pacific Ocean in the west and extending through the Santa Monica Mountains and north into the San Fernando Valley, with the city bordering the San Gabriel Valley to its east. It covers about 469 square miles (1,210 km2), and is the county seat of Los Angeles County, which is the most populous county in the United States with an estimated 9.86 million residents as of 2022.
Yanbian Korean Autonomous Prefecture, the only autonomous prefecture in Jilin Province, is the capital of Yanji City. Located in the border between China and North Korea in the east of Jilin Province in northeast China, the whole terrain is high in the west and low in the east, tilting from the southwest, northwest and northeast to the southeast, located in the mid-temperate zone of the Northern Hemisphere, belonging to the mid-temperate humid monsoon climate. The state has a total area of 43300 square kilometers and has jurisdiction over 6 cities and 2 counties with a population of 2.1014 million in 2017. Yanbian Korean Autonomous Prefecture has 11 ports to North Korea and Russia, and the port cargo volume accounts for more than 90% of Jilin Province; there is an international airport with direct flights to first-tier cities in the north, Guangzhou and Shenzhen, and countries around the Sea of Japan. The Tumen River is the only waterway for China's inland to enter the Sea of Japan. Yanbian is China's only Korean autonomous prefecture and the largest Korean-inhabited area, accounting for 42. 5% of China's Korean population.