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.
Guangning County, which belongs to Zhaoqing City, Guangdong Province, is located in the central and western part of Guangdong Province, in the middle reaches of Suijiang River, a tributary of Beijiang River. Located in the one-hour living circle of the Pearl River Delta, it is one of the main passageways for Guangdong Province to travel to and from the Pearl River Delta by land from the nearest mountain counties in Guangdong Province and Guangxi, Hunan and other provinces. It is about 122.7 kilometers away from Guangzhou, and runs through the Erguang Expressway and Guiyang-Guangzhou High-speed Railway. The administrative area of the county covers an area of 2455 square kilometers and has jurisdiction over 15 towns. in 2017, the county has a registered population of 589300. During the reign of Jiajing in the Ming Dynasty, riots occurred year after year in the northwest of Sihui County (now Guangning). In the thirty-sixth year of Jiajing, he successively led the Ming army to suppress the chaos. In the thirty-eighth year of Jiajing, Che Sihui County was home to Guangning County. With the meaning of broad peace, Guangning was established. After its establishment, it still belongs to Zhaoqing Prefecture. one