What are the third and fourth tier cities?

1. Haikou City

Haikou, also known as "Coconut City", is a prefecture-level city and provincial capital under the jurisdiction of Hainan Province, a strategic fulcrum city of the national "Belt and Road Initiative", and a core city of Hainan Free Trade Port. , located between 19°31′～20°04′ north latitude and 110°07′～110°42′ east longitude. It is located in the northern part of Hainan Island, bordering Wenchang to the east, Chengmai to the west, Ding’an to the south, and Qiongzhou Strait to the north. It is the political, economic, technological and cultural center of Hainan Province. As of 2020, the city has 4 districts under its jurisdiction, with a permanent population of 2.8734 million. In 2021, Haikou City achieved a regional GDP of 205.706 billion yuan, an increase of 11.3% over the previous year.

Haikou is located in the tropics and is a southern coastal city rich in natural and charming seaside scenery. Since the opening of the port in the Northern Song Dynasty, it has a history of thousands of years. Haikou consists of the main island of Hainan Island, the outlying islands of Haidian Island and Xinbu Island, with a total area of ??3126.83 square kilometers, of which the land area is 2284.49 square kilometers and the sea area is 861.44 square kilometers. Haikou was selected by the World Health Organization as China's first "World Healthy City" pilot site.

2. Shantou

Shantou, referred to as "Shantou", is a prefecture-level city under the jurisdiction of Guangdong Province. It is a special economic zone in my country approved by the State Council, an important gateway to the Maritime Silk Road, and a central city in eastern Guangdong. It is an important port city on the southeast coast. It is located at the southern end of the Hanjiang Delta, bordering Chaozhou to the north, Jieyang to the west, the South China Sea to the south, and Taiwan across the sea to the east. The three rivers of Hanjiang, Rongjiang and Lianjiang enter the sea. It is the only country in mainland China that has City on the Inner Bay. ?Shantou has jurisdiction over 6 districts and 1 county, with a total area of ??2,199 square kilometers. According to the seventh national census data, as of 0:00 on November 1, 2020, Shantou’s permanent population was 5,502,031 people.

Shantou is a provincial sub-central city, one of the four Chaoshan cities, a core city in the Shantou-Chaojie metropolitan area, a coastal open port city, a famous hometown of overseas Chinese in China, an outstanding tourist city in China, and one of the top 100 investment environments in China. City, Chinese Brand Economy City, National Intellectual Property Work Demonstration City, National E-Commerce Demonstration City, National Information Consumption Pilot City, National Double Support Model City, China Stationery Production Base, and National Transportation Hub City.

3. Guilin

Guilin, referred to as Gui, is a prefecture-level city and provincial sub-central city in Guangxi Zhuang Autonomous Region. It is a world-famous scenic tourist city, a holy land of ten thousand years of wisdom, and a nationally important city. High-tech industrial base, China's old industrial base, is China's international tourism city open to the outside world, a national tourism innovation and development pioneer area and an international tourism comprehensive transportation hub approved by the State Council. As of 2019, the city has jurisdiction over 6 districts and 10 counties, and 1 It is a county-level city with a total area of ??27,800 square kilometers and a built-up area of ??162 square kilometers.

According to the seventh census data, as of 0:00 on November 1, 2020, the permanent population of Guilin was 4.931137 people. In 2021, Guilin City achieved a regional GDP of 231.106 billion yuan.

4. Lishui

Lishui is known as the "Green Valley of Zhejiang". There are 3,573 peaks above 1,000 meters above sea level. Huangmaojian of Fengyang Mountain in Longquan City is 1,929 meters above sea level. Baishanzu in Qingyuan County is 1,856.7 meters above sea level, ranking as the first and second highest peaks in Zhejiang Province. In January 2005, Lishui City was named one of the third batch of national ecological demonstration zones; in December 2009, it was successively named "China's Excellent Tourism City" and "China's Excellent Ecological Tourism City".

On December 23, 2010, the Zhejiang Provincial Forest Concern Organizing Committee officially issued a document awarding Lishui the title of "Forest City of Zhejiang Province". Lishui was awarded the first batch of national ecological protection and construction demonstration zones. The people of Lishui belong to the Jiangsu and Zhejiang ethnic groups and speak the Wu language, and the Lishui culture belongs to the Wuyue culture. In November 2017, it won the title of National Civilized City. In 2017, China's prefecture-level cities ranked 47th in the overall well-off index. In November 2018, it was ranked 46th in the 2018 China's prefecture-level cities' overall well-off index. On December 12, 2018, it was named as the second batch of "Lucid waters and lush mountains are invaluable assets" practice innovation base.

5. Xuchang

Xuchang, known as Xuzhou in ancient times, is a prefecture-level city in Henan Province. It is a regional central city of the Central Plains urban agglomeration and a transportation and logistics center of the Central Plains Economic Zone approved by the Henan Provincial Government. A hub city, an important national advanced manufacturing base, and a famous historical and cultural city of the Han and Wei dynasties. Located in the middle of Henan Province, it borders Zhoukou City to the east, Luohe City to the south, Pingdingshan City to the west, Zhengzhou City to the north, and Kaifeng City to the northeast; it has jurisdiction over 2 districts, 2 cities (county level), and 2 counties, with a total area of ??4,996 square meters. kilometer. According to the seventh census data, as of 0:00 on November 1, 2020, the permanent population of Xuchang City was 4,379,998.

Xuchang is located in the Central Plains and has a long history. It is an important birthplace of Chinese culture, one of the core cities of the Central Plains urban agglomeration and the Central Plains Economic Zone. Xuchang ancient culture includes prehistoric culture series, Han culture series, Three Kingdoms culture series, temple architecture culture series, Jun porcelain culture series, etc.