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Langfang is a prefecture-level city under the jurisdiction of Hebei Province, which is located in the east of central Hebei Province, with Beijing in the north, Tianjin in the east, Cangzhou in the south and Baoding in the west. Located in the core area of Beijing-Tianjin-Hebei urban agglomeration and the hinterland of Bohai Sea. As of 2022 10, the city has jurisdiction over 2 districts and 6 counties, and manages 2 county-level cities with a total area of 6,429 square kilometers. By the end of 2022, the permanent population of Langfang was 5,495,300.

Langfang City is located in the central and eastern part of North China Plain, starting from the hilly area at the southern foot of Yanshan Mountain in the north and reaching the Heilonggang River Basin in the south, and most areas are subsidence areas. Langfang City is located in the mid-latitude zone, with a continental monsoon climate of warm temperate zone and four distinct seasons. Langfang City is located in the middle and lower reaches of Haihe River Basin and is known as the "lower tip of Jiujiang".

Langfang is located in the hinterland of the "Golden Triangle" of Beijing, Tianjin and xiong'an new area. It is an important node city of world-class urban agglomeration with Beijing as the core, and is known as the "Pearl of Beijing-Tianjin Corridor".

The main urban area is 40km away from Beijing, 60km away from Tianjin, 80km away from xiong'an new area, 70km away from Capital International Airport and Tianjin Binhai International Airport, 0/00km away from Tianjin Port/KLOC-0, and close to Beijing Daxing International Airport. It is a city with three international airports and super-large port resources within an hour's drive.

There are many figures in Langfang, such as Zhang Hua, a writer in the Western Jin Dynasty, Wang Zhihuan, a poet in the Tang Dynasty, a famous figure in the Northern Song Dynasty, Su Xun and Shi, a famous figure in the Yuan Dynasty, and Liu Qi, the leader of the peasant uprising in the Ming Dynasty. In 2023, it was rated as a third-tier city.

Langfang City is located in the east-central part of North China Plain, in the middle of Hebei Province. It is located between 38 28 ′ ~ 40 ′ north latitude15 ′ and167 ′ ~1714 ′ east longitude. Langfang starts from the hilly area at the southern foot of Yanshan Mountain in the north and reaches the Heilonggang River Basin in the south.

Langfang is located in the southeast of Beijing, in a straight line with Beijing and Tianjin. Langfang is 60 kilometers away from Beijing and Tianjin, and 280 kilometers away from Shijiazhuang, the provincial capital. The total area is 6429 square kilometers.