Sanmenxia

Sanmenxia 三门峡市 Sanmenhsia
Prefecture-level city
Sanmenxia Dam
Location of Sanmenxia City jurisdiction in Henan
Sanmenxia Location in China
Coordinates (Sanmenxia government): 34°46′24″N 111°12′01″E / 34.7732°N 111.2004°E / 34.7732; 111.2004
Country	People's Republic of China
Province	Henan
Municipal seat	Hubin District
Area
• Prefecture-level city	10,475 km2 (4,044 sq mi)
• Urban	1,814.3 km2 (700.5 sq mi)
• Metro	2,995.3 km2 (1,156.5 sq mi)
Elevation	376 m (1,234 ft)
Population  (2020 census)[1]
• Prefecture-level city	2,034,872
• Density	190/km2 (500/sq mi)
• Urban	615,220
• Urban density	340/km2 (880/sq mi)
• Metro	820,300
• Metro density	270/km2 (710/sq mi)
GDP[2][3]
• Prefecture-level city	CN¥ 132.6 billion US$ 20.0 billion
• Per capita	CN¥ 58,894 US$ 8,867
Time zone	UTC+8 (China Standard)
Postal Code	472000
Area code	(0)398
ISO 3166 code	CN-HA-12
Major Ethnicities	Han
County-level divisions	6
License plate prefixes	豫M
Website	smx.gov.cn

Sanmenxia (simplified Chinese: 三门峡; traditional Chinese: 三門峽; pinyin: Sānménxiá; postal: Sanmenhsia) is a prefecture-level city in the west of Henan Province, China. The westernmost prefecture-level city in Henan, Sanmenxia borders Luoyang to the east, Nanyang to the southeast, Shaanxi Province to the west and Shanxi Province to the north. The city lies on the south side of the Yellow River at the point where the river cuts through the Loess Plateau on its way to the North China Plain.

As of the 2020 census, it was home to 2,034,872 inhabitants of which 820,300 lived in the built-up area made of Hubin, Shanzhou urban districts and Pinglu County in neighboring Shanxi (205,080 inhabitants), now within the agglomeration.