Dongying (simplified Chinese: 东营; traditional Chinese: 東營; pinyin: Dōngyíng), a prefecture-level city, lies on the northern (Bohai Sea) coast of Shandong province, People's Republic of China. At the 2010 census, 2,035,338 people resided within its administrative area of 7,923.26 km2 (3,059.19 sq mi) and 998,968 in the built-up area made up of Dongying district and Kenli County largely being urbanized.Dongying is home to the Shengli Oilfield which after the Daqing oilfield is the second largest oilfield in China.
The city was established in 1983, as a base for developing the Yellow River Delta and China's second largest oilfield, Shengli Field. The oilfield was discovered in 1964 near a small village called Dongying, which gave its name to the city.
The city is located at 36° 55'–38° 10' N latitude and 118° 07′–119° 10' E longitude, and has a total area of 7,923 square kilometres (3,059 sq mi). The city's 350 km (220 mi) coastline borders Laizhou Bay and Bohai Bay to the east and north respectively.
Dongying has a monsoon-influenced, four-season climate that lies in the transition between the humid continental and humid subtropical (Köppen Dwa and Cwa, respectively) regimes, with hot, humid summers, and cold but dry winters. The city is dry and nearly rainless in spring, hot and rainy in summer, crisp in autumn and dry and cold (with little snow) in winter. The average annual temperature is 13.1 °C (55.6 °F), and the annual precipitation is 559 millimetres (22.0 in), with a strong summer maximum, and high variability from year to year. January is the coldest and driest month, with a mean temperature of −2.6 °C (27.3 °F) and 5.5 mm (0.22 in) of equivalent rainfall. July is the hottest and wettest month; the corresponding numbers are 26.8 °C (80.2 °F), and 168.8 mm (6.65 in).