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.
Jingchuan County, which belongs to Pingliang City, Gansu Province, is located at the junction of Qinlong in the middle of the Loess Plateau, longitude 107 °15 "107 °45" east, latitude 35 °11 "35 °31" north. It is bordered by Ning County and Changwu County in Shaanxi Province in the east, Chongxin County and Kongtong District in the west, Lingtai County in the south and Zhenyuan County in the north. It is 57 kilometers from east to west and 36 kilometers from north to south, with a total area of 1409.3 square kilometers (2012). With a population of 283200 (2013), the GDP of Jingchuan County reached 4.553 billion yuan in 2013. Jingchuan County, the best suitable area for high-quality apples in the country, occupies the backbone of the ancient Silk Road and is the hinterland of Chinese civilization. Since ancient times, it has been the first important town from Changan to the western region. The famous scenic spots include Huishan Queen Mother Palace, Yaochi, Queen Mother Palace Grottoes and so on.