County-level city · Heilongjiang

Dongning 东宁市

Dongning (东宁市) is a county-level city at the southern tip of Heilongjiang, under Mudanjiang (牡丹江), sharing a 139-kilometre border with Russia on its east. The Mudanjiang city government sums up its terrain as "nine parts mountain, half water and half farmland".

Location of Heilongjiang, the surrounding province-level areaView province guide

Get to know Dongning

Dongning (东宁市) — representative view · 东宁草原畜群历史照片
Representative view in Dongning · 东宁市代表景观。东宁草原畜群历史照片 · 《人民画报》 · Public domain
Photo adjustments

EXIF orientation normalized; resized without changing aspect ratio; converted to WebP. No subject edits.

Administrative area
County-level city · 县级市
Part of
Mudanjiang
Chinese name
东宁市
Local areas
County-level city guide

Area & population

Area in the source
7,368.00 km²
Population · 2003
210,000

Source: cited geographic source, as of the dates shown.

Setting and landscape

The Suifen River (绥芬河) runs through the whole city. A maritime influence keeps the average temperature around 6°C, with no severe winter cold or summer heat, which earns Dongning the nickname "little Jiangnan beyond the northern frontier". Forest covers most of the land. There are two national wetland parks, on the Suifen River and at Suiyang (绥阳), and the provincial Niaoqingshan Nature Reserve (鸟青山自然保护区). Part of the Northeast China Tiger and Leopard National Park lies here; the Mudanjiang city government reports that monitoring has recorded 15 wild Amur tigers and 22 Amur leopards.

History

Traces of people go back some ten thousand years to the Palaeolithic, and more than 20 sites from the Qin and Han periods have been found. In the 7th century the area belonged to Goguryeo (高句丽) and later to the Bohai kingdom (渤海国). The Qing ran it as Dongning Subprefecture (东宁厅); under the Republic it became Dongning County, locally called Sanchakou (三岔口). The county became a county-level city in December 2015.

Border trade through the Dongning crossing began in 1990, and in 2000 the China–Russia Dongning–Poltavka trade zone (东宁—波尔塔夫卡互市贸易区) was set up.

What to see

Dongning Fortress (东宁要塞) was one of the Japanese army's border fortress complexes in Manchuria, stretching more than 110 kilometres along its front and over 50 kilometres deep; some 170,000 labourers worked on its construction. Soviet forces attacked it on 9 August 1945, and the last Japanese troops inside surrendered only on 30 August, more than two weeks after the Japanese emperor announced surrender on 15 August. The remains of 39 former "comfort stations" have been found within it. In 2006 it was added to the sixth batch of national key protected sites under the name Japanese Army Fortresses in Northeast China (侵华日军东北要塞). The Mudanjiang city government calls it Asia's largest military fortress and the last battlefield of the Second World War.

Food and local products

The rivers and hills supply tantou fish (滩头鱼), chum salmon (大马哈) and matsutake mushrooms (松茸). Black wood ear fungus (黑木耳) has earned Dongning the title of "China's top black fungus county". Soybeans, rice, apples and ginseng are also grown.

Getting oriented

The city government is at Dongning town (东宁镇). The Mudanjiang city government gives distances of 53 kilometres to Ussuriysk and 153 kilometres to Vladivostok in Russia. National Highway 331 passes through.

Highlights

  • Dongning Fortress 东宁要塞: Japanese border fortress complex, national key protected site since 2006; its garrison held out until 30 August 1945.
  • Suifen River 绥芬河: Runs through the whole city; one of its two national wetland parks lies along it.
  • Niaoqingshan Nature Reserve 鸟青山自然保护区: Provincial-level nature reserve.
  • Black wood ear fungus 黑木耳: Has earned Dongning the title of China's top black fungus county.
Sources for this guide

东宁市 · Chinese Wikipedia · CC BY-SA 4.0

东宁市概况 · Mudanjiang Municipal People's Government

侵华日军东北要塞 · Chinese Wikipedia · CC BY-SA 4.0

Original English written from the listed sources and checked sentence by sentence against quoted extracts by a separate reviewer. Updated 2026-09-24.

Explore Dongning

Core places to explore, with English and Chinese names.

Places to explore around Dongning

Plan your visit

More in Mudanjiang

Sources & geographic information

Administrative names and parent areas: Official geographic directory · Reference date 2026-09-06.

Some facts checked against 东宁市 — Wikipedia contributors, CC BY-SA 4.0.

Some facts checked against 侵华日军东北要塞 — Wikipedia contributors, CC BY-SA 4.0.

Photo: Dongning Fortress Ruins · Source photographer · License not provided. EXIF orientation normalized; resized without changing aspect ratio; converted to WebP. No subject edits.

Map data © OpenStreetMap contributors. Pins mark approximate centres, not entrances or boundaries.