📍Qinhuangdao/Three days and two nights travel guide❗️

Nanjing City (English: Nanjing City), abbreviated as Ning, also known as "Jinling", "Jiankang" and "Stone City", is a prefecture-level city under the jurisdiction of Jiangsu Province, China, the capital of Jiangsu Province [284], a sub-provincial city, and a megacity [403]. It is located in the southwest of Jiangsu Province and the lower reaches of the Yangtze River. It is a city in the central area of ​​the Yangtze River Delta [1]. Nanjing City has a northern subtropical humid monsoon climate, with distinct four seasons, abundant rainfall, short spring and autumn, long winter and summer, and a large annual temperature difference. It is known as the "natural geological museum". There are many geomorphic units such as Yangtze River floodplain, water-rich soft soil, hills, and karst [9]. The total area is 6587.04 square kilometers. As of December 2023, Nanjing City has 11 districts [499]. At the end of 2024, Nanjing City has a permanent population of 9.577 million [493]. The Nanjing dialect is Jianghuai Mandarin [462]. Nanjing is an important central city in eastern China approved by the State Council, a national historical and cultural city, an international comprehensive transportation hub, a national advanced manufacturing base, an eastern industrial innovation center, a regional science and technology innovation highland, an eastern modern service industry center, a regional shipping and logistics center, and the headquarters of the Eastern Theater Command of the People's Liberation Army. Nanjing is known as the "ancient capital of six dynasties" and the "metropolis of ten dynasties". The cultural influence of the city reaches the entire East Asia [284]. There were ancient human activities in the Nanjing area 1 to 1.2 million years ago. Nanjing was built in the late Shang Dynasty more than 3,100 years ago [461]. Nanjing was established as the capital in the first year of Huanglong in the Eastern Wu Dynasty (229 AD). On April 23, 1949, Nanjing was liberated. In 1953, it was designated as the capital of Jiangsu Province, and in 1994 it was designated as a sub-provincial city [6]. The four pillar industries of steel, petrochemicals, automobiles, and electronics are the "basic plate" of Nanjing's economy. Nanjing is one of the top ten cities in the country in terms of economy and manufacturing. It is a “nationally important regional financial and business center” as defined by the National Development and Reform Commission. It is the only pilot city in the country for comprehensive reform of the science and technology system and the first “Chinese Software City” in China. [327] In 2024, Nanjing will achieve a regional GDP of 1,850.081 billion yuan, a year-on-year increase of 4.5%.

Chongqing City, referred to as "Yu", also known as Mountain City and River City, is a municipality directly under the Central Government of the People's Republic of China and a megacity, a national central city, [1] [247] an important central city in China approved by the State Council, a national historical and cultural city and an international comprehensive transportation hub city. It is a national advanced manufacturing base, a western science and technology innovation center and a gateway to the outside world, and a shipping center in the upper reaches of the Yangtze River. [1] It is a financial center in the west, [240] [246] [248] an international consumer center city, [239] it has 38 districts and counties under its jurisdiction, [163] with a total area of ​​82,400 square kilometers, [28] by the end of 2024, Chongqing's permanent population will be 31.9047 million. [259] Chongqing is located in southwest China. It is the only city in China that has a national logistics hub with five types of services: water, land, air, production services, and commercial services. [2] It plays a supporting role in the development of the western region, a driving role in the Belt and Road Initiative, and a demonstration role in the Yangtze River Economic Belt. [3-4] It has a national-level Wuling Mountain (southeast Chongqing) Tujia and Miao Cultural Ecological Protection Area [265]; it has the world cultural heritage Dazu Rock Carvings, the world natural heritage Wulong Karst, and Nanchuan Jinfo Mountain. Chongqing is the birthplace of Bayu culture and has a history of more than 3,000 years. [144] It has been called "Natural Chongqing" since ancient times. [156] Emperor Guangzong of Song Dynasty first named him Prince Gong and then ascended the throne. He promoted Gongzhou to Chongqing Prefecture, hence the name. The Xia Shang Ba Kingdom established its capital here. [145] The Great Xia Kingdom was established here in the late Yuan Dynasty. [195] Chongqing was opened as a port in the late Qing Dynasty and the National Government moved its capital to Chongqing, making Chongqing the political, military, economic and cultural center of the rear area of ​​modern China and the birthplace of the Red Rock Spirit. [144] In the early days of the People’s Republic of China, it was the seat of the Southwest Region and a municipality directly under the Central Government. In 1997, it was restored to a municipality directly under the Central Government.

Yangzhou is a prefecture-level city in Jiangsu Province, China, located at the confluence of the Yangtze River and the Grand Canal. The city covers a total area of 6,591 square kilometers and has a permanent population of 4.5868 million as of 2024. Yangzhou has a history of over 2,500 years and is one of the first 24 national historical and cultural cities in China. The city is known as an important historical and cultural city, a high-tech industrial base in the Yangtze River Delta, and an internationally renowned cultural tourism destination.

Jinan, abbreviated as "Ji", also known as "Spring City", [129] is a prefecture-level city, [4] provincial capital, sub-provincial city, [76] megacity under the jurisdiction of Shandong Province. It is located in the central part of Shandong Province and ranks fourth in Shandong Province in terms of population. [155] Its geographical location is between 36°02′～37°54′N and 116°21′～117°93′E. [76] Jinan is an important central city in the Yellow River Basin approved by the State Council, a national historical and cultural city, a national comprehensive transportation hub city, a northern advanced manufacturing base, a northern trade and logistics center, and a regional highland for scientific and technological innovation. [128] As of April 2024, the city has 10 districts and 2 counties, with a total area of ​​10,244.45 square kilometers. The Municipal People's Government is located at No. 1, Longding Avenue, Lixia District. [34] As of the end of 2024, the permanent population of Jinan is 9.515 million. [160] The Jinan dialect belongs to Ji-Lu Mandarin. [93] [110] Jinan is located at the junction of low mountains and hills in the south-central part of Shandong and alluvial plains in the northwest of Shandong. [76] It has a warm temperate continental monsoon climate. [126] The landform types are mainly low mountains, hills, plains and low-lying areas along the Yellow River. [78] There are many springs and abundant water, which is known as a natural karst spring museum. [130] In the early Neolithic period, the ancestors of Jinan had already lived and multiplied here. Jinan County was established in the Western Han Dynasty. In the Sui Dynasty, counties were abolished and Qizhou was still governed by Jinan, and governed 10 counties including Licheng. During the Tianbao period in the middle of the Tang Dynasty, Qizhou was once renamed Linzi County and Jinan County. In the early Ming Dynasty, it was renamed Jinan Prefecture. In the early Qing Dynasty, it was established along the lines of the Ming Dynasty. In the early years of the Republic of China, Jinan Prefecture was abolished and Daibei Road was established, governing 27 counties. After the founding of the People's Republic of China, Licheng County was transferred to Jinan City in 1958. In February 1994, it became a sub-provincial city.

Heihe City is a prefecture-level city under the jurisdiction of Heilongjiang Province, China. It was called Aihui in ancient times. It is located in the northern part of Heilongjiang Province, at the eastern end of the Greater Khingan Range and the northern part of the Lesser Khingan Range. The area is full of rolling mountains and has a cold temperate continental monsoon climate. The total area is 68,726 square kilometers. As of October 2022, the city has jurisdiction over 1 urban district, 2 counties, and administers 3 county-level cities. [1] At the end of 2023, Heihe City had a permanent population of 1.23 million and a registered population of 1.504 million. [50] Heihe City has a long history. Archaeological evidence shows that humans were active here as early as the Paleolithic period, forming the basis of the local ancient indigenous peoples. On February 8, 1993, Heihe was abolished as a prefecture and established as a city. Taking the centerline of the main channel of the Heilongjiang River as the boundary, Heihe faces Blagoveshchensk (Hailabo), the capital of the Amur Oblast, the third largest city in the Russian Far East, across the Heilongjiang River [49]. They are the only pair of cities on the Sino-Russian border that are the largest, highest-standard, most fully-functional, and closest, with the closest distance being only 750 meters. [1] Heihe City is rich in cultural resources, including the ruins of the ancient city of Aihui, the ruins of the ancient city of the Jin Dynasty, the remains of the Sun Wu war, the remains of historical figures and the customs of ethnic minorities. [40] In 2024, Heihe City will achieve a regional GDP of 71.14 billion yuan, an increase of 3.3% over the previous year

Jinhua City, a prefecture-level city under the jurisdiction of Zhejiang Province, is located in the central part of Zhejiang Province. It is adjacent to Taizhou City in the east, Lishui City in the south, Quzhou City in the west, and Shaoxing City and Hangzhou City in the north. It belongs to the hilly basin area of ​​central Zhejiang Province, with high terrain in the north and south and low terrain in the middle. It has a mid-subtropical monsoon climate with distinct four seasons, moderate annual temperature, abundant heat, and heavy rainfall. The total area is 10,942 square kilometers. [2] [33] As of the end of 2023, Jinhua City has jurisdiction over 2 districts, 3 counties, and administers 4 county-level cities. [5] As of the end of 2024, Jinhua City has a permanent population of 7.209 million. [101] Jinhua City is a central city in central and western Zhejiang Province, a national historical and cultural city, an inland open national comprehensive transportation hub city, an important innovative smart manufacturing city in the Yangtze River Delta region, an important growth pole in the southern wing of the Yangtze River Delta, and an inland open hub center city. [1] Jinhua (Wushang County) has been established for more than 2,200 years. It was originally part of the Yue Kingdom and was incorporated into Kuaiji County during the Qin Dynasty. It was named because it was "located where the two stars Venus and Wu Nu compete for brilliance". Since the establishment of Dongyang County in the first year of the Wu Baoding Period (266 AD) during the Three Kingdoms Period, it has a history of more than 1,800 years and a splendid culture. It is a national historical and cultural city. [2] [11] Jinhua City is known as "a historical and cultural state, a place where celebrities gather, a city with flourishing literary style, and a beautiful hometown with clear waters and beautiful mountains". [2] Scenic spots in the city include the national scenic area Shuanglong Cave and Huang Daxian Ancestral Temple. On October 1, 1949, seven outstanding Jinhua people, including Chen Wangdao, Shi Fuliang, Feng Xuefeng, Yan Jici, Wu Han, Qian Jiaju and Ai Qing, went up to the Tiananmen Gate Tower together with Mao Zedong, Liu Shaoqi, Zhou Enlai, Zhu De and other founding leaders to participate in and witness the birth of New China. [104]

Chengdu (Sichuan dialect international phonetic alphabet: /tsʰən˨˩tu˧sɿ˨˩˧/), also known as "Rongcheng", "Jinguancheng", "Jincheng", abbreviated as "Rong" and "Jin", is located in the central part of Sichuan Province, China, in the hinterland of the Chengdu Plain in the west of the Sichuan Basin. It is the capital of Sichuan Province, a sub-provincial city, and a national central city. It is the logistics, trade, finance, science and technology, culture, education center and transportation and communication hub in western China. It is also the location of the Joint Operations Command of the Western Theater Command of the People's Liberation Army of China [5] and a national pilot zone for coordinated urban and rural comprehensive supporting reforms. [6] The total permanent population of Chengdu is 21.403 million (2023 data) [7], and the Municipal People's Government is located at No. 2 Jinyue West Road, High-tech Zone. Chengdu is one of the cities in China that was developed earlier and has continued to prosper for a long time. According to the excavation records of the Jinsha Ruins, the history of Chengdu can be traced back to 3,200 years ago. [8] Chengdu was once the capital of nine regimes: Ancient Shu, Chengjia, Shu Han, Cheng Han, Qiao Shu, Former Shu, Later Shu, Li Shu, and Daxi. It is rich in the culture of the Three Kingdoms. Since the Qin and Han Dynasties, Chengdu has been famous for its prosperous agriculture, handicrafts and culture. It has been an important city in the political, economic, cultural and military center of southwest China. In the Han Dynasty, Chengdu was listed as one of the five major metropolises along with Luoyang. In the Tang Dynasty, commerce flourished and it was as famous as Yangzhou, known as "Yangzhou One and Yizhou Two" [9][10]. Chengdu has many famous places of interest such as Dujiangyan, Wuhou Temple, Du Fu Thatched Cottage, and Jinsha Ruins. It is one of the first national historical and cultural cities and one of the ten ancient capitals [11]. In 2007, it was named "China's Best Tourist City" by the National Tourism Administration of the People's Republic of China and the World Tourism Organization. [12][a] In 2009, the World Center for Excellent Tourism Destination Cities awarded Chengdu the title of "World Excellent Tourism Destination City". Chengdu is the first city in Asia to receive this honor. [13] In 2010, UNESCO approved Chengdu to join the UNESCO Global Creative Cities Network and awarded Chengdu the title of "Food Capital", making it the first "Food Capital" in Asia. [14] In 2021, the total GDP ranked second among the provincial capital cities in China, second only to Guangzhou, reaching 1,991.698 billion yuan. [15] According to the global city ranking analysis released by GaWC, Chengdu has been promoted to the "Beta+" echelon of global cities. [16] After the 2021 Summer World University Games [17] was held in Chengdu, the 2025 World Games will also be held in Chengdu.

Weihai is a prefecture-level city in Shandong Province, China, located at the eastern tip of the Shandong Peninsula. The city covers a total area of 5,822.52 square kilometers and has a permanent population of 2.9146 million as of 2024. Weihai has a long history dating back to the Neolithic period and was established as a prefecture-level city in 1987. The city is an important regional center of the Shandong Peninsula, a major marine industry base, and a coastal tourism city as determined by the State Council.