The total area of the three cities is:

The total area of Qingdao 1 1282 square kilometers.

The total area of Tianjin is 1 1903 square kilometers.

Beijing's total area 164 10.54 square kilometers.

Extended data:

Qingdao:

Qingdao is located in the southeast of Shandong Peninsula, between north latitude119 30 ′ ~12100 ′ and 35 35 ′ ~ 37 09 ′, bordering the Yellow Sea in the east and south, Yantai in the northeast and Weifang in the west. Total area 1 1282 square kilometers.

Qingdao is a coastal hilly city, with high terrain in the east and low terrain in the west, rising on the north and south sides and low depression in the middle. Among them, mountains account for about 15.5% of Qingdao's total area (the same below), hills account for 2. 1%, plains account for 37.7%, and depressions account for 2 1.7%. Qingdao coast can be divided into three basic types: headland rocky coast, muddy silty coast and bedrock sandy coast. In shallow water, there are underwater shoals, modern underwater deltas and marine erosion plains.

Qingdao has three mountain systems. In the southeast is the Laoshan Mountains, with steep terrain, and the main peak is 1 132.7 meters above sea level. From Mrding to the west and north, all the way to Qingdao. In the north is Daze Mountain (736.7 meters above sea level, all the mountains in Pingdu and some peaks in Laixi belong to it). In the south, the Jiaonan Mountain Group consists of Dazhushan (486.4m above sea level), Xiaozhushan (724.9m above sea level) and Tiecha Mountain (595. 1m above sea level).

Tianjin:

Tianjin, referred to as Tianjin for short, is a provincial administrative region and municipality directly under the Central Government of People's Republic of China (PRC). It is located in the north of China, bordering Bohai Sea in the east, Beijing and Hebei in the west, and Hebei in the north and south. Tianjin borders on the north latitude116 43'-118 4'. The total area of Tianjin is 1 19 16.85 square kilometers.

Tianjin is located in the north of North China Plain, bordering Bohai Sea in the east and Yanshan Mountains in the north, between east longitude116 43' and north latitude1/8 04' and 38 34' and 4015'. The city center is located at east longitude 1 17 10' and north latitude 39 10'. Tianjin is located in the lower reaches of the Haihe River, across the banks of the Haihe River, with a length of 189km from north to south and a width of 1 17km from east to west. The land boundary is 1 137 km long and the coastline is 153 km long.

It is the traffic throat of Beijing's railway to Northeast China and East China and the port of ocean transportation. It is known as the "river-sea hub" and the "gateway to Kyrgyzstan". The hinterland is vast, radiating to North China, Northeast China, Northwest China 13 provinces, municipalities and autonomous regions, and facing Northeast Asia externally. It is the largest coastal open city in northern China.

Beijing:

Beijing is located at east longitude115.7-17.4, north latitude 39.4-41.6, with its center at 39 54' 20 "north latitude and east longitude1/kloc-. Located in the northern part of North China Plain, adjacent to Bohai Bay, with Liaodong Peninsula on the top and Shandong Peninsula on the bottom.

The mountainous area of Beijing is 10200 square kilometers, accounting for 62% of the total area, and the plain area is 6200 square kilometers, accounting for 38% of the total area. The terrain of Beijing is high in the northwest and low in the southeast. The average altitude in Beijing is 43.5 meters. The elevation of Beijing plain is 20 ~ 60m, and that of mountainous area is generally 1000 ~ 1500m. ?

West of Beijing is Xishan Mountain, which belongs to Taihang Mountain range. The northern and northeastern parts of Du Jun belong to the Yanshan Mountains. The highest mountain is Dongling Mountain in Mentougou District, western Beijing, with an altitude of 2303 meters. The lowest land is the southeast border of Tongzhou District. The two mountains intersect at Nanguan, forming a semicircle mountain bend spreading to the southeast, which is called "Beijing bend", and the small plain around it is the Beijing small plain. As the ancients said: "The land of Youzhou has the sea on the left, the Taihang Mountain on the right, the Yongjiang River in the north, the big river in the south and the land of abundance."

Baidu Encyclopedia-Qingdao

Baidu Encyclopedia-Tianjin

Baidu Encyclopedia-Beijing