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.
Shanting District, which belongs to Zaozhuang City, Shandong Province, is located in the northeast of Zaozhuang City, Zoucheng City in the north, Lanling County, Fei County and Pingyi County in the east, Tengzhou in the west, and the central district and Xuecheng District in the south. The geographical coordinates are: latitude 34 °54 °00 "- 35 °19 °20" north, longitude 117 °14 °00 "- 117 °44 °20" east. As of 2016, Shanting District has jurisdiction over 9 towns, 1 street, 268 administrative villages (communities), with a population of 528600, with a total area of 1019.2 square kilometers. In 2016, Shanting District completed a gross domestic product of 13.4 billion yuan, an increase of 3.32 billion yuan over 2011, with an average annual increase of 8.8%. Investment in fixed assets reached 12.87 billion yuan, an increase of 6.6 billion yuan over 2011, with an average annual increase of 1.