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.
Guangshui City, affiliated to Suizhou City, Hubei Province, east-north city of Hubei Province, observer of Wuhan City Circle, former Yingshan County, Hubei Province. It is located at the southeast foot of Tongbai Mountains and at the western end of Dabie Mountains. The east is adjacent to Dawu County, Xiaogan City, the south is adjacent to Anlu City and Xiaochang County, the west is bordered by Suizhou City, and the north is bordered by Xinyang City, Henan Province. Since ancient times, it has been the focal point of north-south traffic and the "gateway to northern Hubei". It is 57.5km wide from east to west and 78.75km from north to south, with a total area of 2675 square kilometers and a population of 1.04 million in 2017. It has jurisdiction over 20 townships, towns, offices and 1 province-administered economic and technological development zone. The municipal government is stationed in Yingshan City (formerly Chengguan Town, Yingshan County). In 2014, the GDP for the whole year reached 22.804 billion yuan. Guangshui has eight famous customs in China.