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  • Yaohai District

Jacksonville is a city located on the Atlantic coast of northeast Florida, the most populous city proper in the state and is the largest city by area in the contiguous United States as of 2020. It is the seat of Duval County, with which the city government consolidated in 1968. Consolidation gave Jacksonville its great size and placed most of its metropolitan population within the city limits. As of 2020, Jacksonville's population is 949,611, making it the 12th most populous city in the U.S., the most populous city in the Southeast, and the most populous city in the South outside of the state of Texas. With a population of 1,733,937, the Jacksonville metropolitan area ranks as Florida's fourth-largest metropolitan region.

Jacksonville straddles the St. Johns River in the First Coast region of northeastern Florida, about 12 miles (19 kilometers) south of the Georgia state line (25 mi or 40 km to the urban core/downtown) and 350 miles (560 km) north of Miami. The Jacksonville Beaches communities are along the adjacent Atlantic coast. The area was originally inhabited by the Timucua people, and in 1564 was the site of the French colony of Fort Caroline, one of the earliest European settlements in what is now the continental United States. Under British rule, a settlement grew at the narrow point in the river where cattle crossed, known as Wacca Pilatka to the Seminole and the Cow Ford to the British. A platted town was established there in 1822, a year after the United States gained Florida from Spain; it was named after Andrew Jackson, the first military governor of the Florida Territory and seventh President of the United States.

Harbor improvements since the late 19th century have made Jacksonville a major military and civilian deep-water port. Its riverine location facilitates Naval Station Mayport, Naval Air Station Jacksonville, the U.S. Marine Corps Blount Island Command, and the Port of Jacksonville, Florida's third largest seaport. Jacksonville's military bases and the nearby Naval Submarine Base Kings Bay form the third largest military presence in the United States. Significant factors in the local economy include services such as banking, insurance, healthcare and logistics. As with much of Florida, tourism is important to the Jacksonville area, particularly tourism related to golf. People from Jacksonville are sometimes called "Jacksonvillians" or "Jaxsons" (also spelled "Jaxons").

Yaohai District, which belongs to Hefei City, Anhui Province, is located in the east of the main urban area of Hefei City, east of Feidong County, west and south of Nanfei River, and north of Changfeng County and Xinzhan District. It has jurisdiction over 11 streets, 1 town and 1 development zone, with an area of 70 square kilometers and a resident population of 900000 in 2012. The expressways such as Hexu, Hening and Hewu pass through the border. In the seated areas such as Anhui Automobile passenger Transport Hub, Anhui Postal Hub and Hefei Railway Station, the waterway of Nanfei River extends to the sea, and the road network extends in all directions. In recent years, it has won more than 20 national and provincial honorary titles, such as the national advanced area of scientific and technological progress, the national youth civilized community demonstration area, the national community health service demonstration area, the national community rehabilitation demonstration area for the disabled, and the national youth center construction demonstration area. Yaohai Court won the National Model Court
Airport In Yaohai District - Hefei Xinqiao International Airport
Hefei Xinqiao International Airport (Hefei Xinqiao International Airport, IATA: HFE, ICAO: ZSOF), officially opened to navigation on May 30, 2013, is located in Gaoliu Street, Shushan District, Hefei City, Anhui Province, 31.8 kilometers away from the center of Hefei, 4E level international airport   , a regional hub airport, a member of the East China Airport Group.  
In November 1977, Hefei Luogang Airport officially started operation. At the end of June 2006, Hefei Luogang Airport was officially upgraded to an international airport after being checked and accepted by relevant state departments. At 24:00 on May 29, 2013, Hefei Luogang International Airport, which had been in safe operation for 36 years, was permanently closed. At midnight on May 30, 2013, Hefei Xinqiao International Airport was officially opened.  
According to the information on the airport's official website in December 2017, the runway of Hefei Xinqiao International Airport is 3,400 meters long and 45 meters wide; there is one terminal building with an area of ​​108,500 square meters; the area of ​​the station is 360,000 square meters, with a total of 53 seats , including 19 bridge seats and 34 remote seats. It is designed to meet the needs of 11 million passenger throughput and 150,000 tons of cargo and mail throughput in 2020.      
On November 26, 2018, Hefei Xinqiao International Airport exceeded 10 million passenger traffic, becoming one of the "10 million airport clubs". This is another historic breakthrough after crossing 8 million and 9 million in 2017.  
During the National Day in 2019, Hefei Airport further optimized the service process, improved the security plan, opened more security check channels in a timely manner, reduced the waiting time of passengers in line, and focused on strengthening personalized services for special groups such as the elderly and children.  
In May 2022, the pouring of the 1,000th engineering pile foundation of the T2 terminal of Hefei Xinqiao International Airport was completed, marking a new step in the expansion project of the terminal area of ​​Hefei Xinqiao International Airport.  
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