Phoenix (/ˈfiːnɪks/ FEE-niks; Navajo: Hoozdo; Spanish: Fénix or Fínix,[citation needed] Walapai: Banyà:nyuwá) is the capital and most populous city of the U.S. state
of Arizona, with 1,608,139 residents as of 2020. It is the fifth-most populous city in the United States, and the only U.S. state capital with a population of more than one million residents.
Phoenix is the anchor of the Phoenix metropolitan area, also known as the Valley of the Sun, which in turn is part of the Salt River Valley. The metropolitan area is the 11th largest by population in the United States, with approximately 4.85 million people as of 2020. Phoenix, the seat of Maricopa County, has the largest area of all cities in Arizona, with an area of 517.9 square miles (1,341 km2), and is also the 11th largest city by area in the United States. It is the largest metropolitan area, both by population and size, of the Arizona Sun Corridor megaregion.
Nanao County, which belongs to Shantou City, Guangdong Province, is located on the sea surface at the junction of Fujian, Guangdong and Taiwan provinces, between longitude 116o 53km east and latitude 23 °11pm. Nanao County is composed of Nanao Island and 33 surrounding islands, of which the main island is 110.89 square kilometers and the sea area is 4600 square kilometers with a total area of 113.8 square kilometers. Nanao County is the closest point in Guangdong province to Taiwan Province, 162 nautical miles from Kaohsiung, at the center of the three major ports of Kaohsiung, Xiamen and Hong Kong, and only 7 nautical miles away from the main international route in the Pacific Ocean. It is known as "Chaoshan barrier, Fujian and Guangdong throat". Nanao County is the only island county in Guangdong, and it is also the only national 4A tourist area among China's island counties (districts). It has a superior geographical location. Nanao has been along the southeast since ancient times.