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.
Hongsibao District, Wuzhong City, Ningxia, formerly known as Hongsibao Development Zone, is the second municipal district of Wuzhong City, Ningxia Hui Autonomous region. It is the main battlefield of the National large Water Control Project-Ningxia Poverty Alleviation and Yellow River Irrigation Project ("1236" Project). It is the largest ecological poverty alleviation and immigration concentration area in China. Hongsibao District of Wuzhong City was established with the approval of the State Council in September 2009. the administrative area covers an area of 2767 square kilometers. as of 2013, it has jurisdiction over 2 towns, 3 townships, 1 street, 61 administrative villages and 2 urban communities, with a total population of 179390. Among them, the Hui population accounts for 61% of the total population. Hongsibao District is located between Yanbing Mountain, Daluo Mountain and Niushou Mountain, facing Yanchi to the east, Zhongning to the west, concentric to the south, Litong District and Lingwu to the north, about 80 kilometers from east to west and 40 kilometers from north to south.