San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
Kizilsu Kirgiz Autonomous Prefecture, referred to as "Kezhou", belongs to the Xinjiang Uygur Autonomous region and is located in the southwest of Xinjiang Uygur Autonomous region. across the southwest of the Tianshan Mountains, the eastern Pamir Plateau, the northern slope of the Kunlun Mountains and the northwest edge of the Tarim Basin, the north and west of the Autonomous Prefecture are bordered by Kyrgyzstan and Tajikistan respectively, with a border of 1195 kilometers. It is connected with Aksu in the east and Kashgar in the south. It is about 500km long from east to west, 140km wide from north to south, and covers an area of 72500 square kilometers. Kizilsu Kirgiz is located in the upper reaches of the Tarim River Basin, spanning the Tianshan Mountains, the Pamir Plateau, the Kunlun Mountains and the edge of the Tarim Basin. The mountains account for more than 90% of the total area of the state, and the valleys and basins are scattered all over the mountains. It's typical.