Dongying a prefecture-level city, lies on the northern coast of Shandong Province in eastern China. Located around the mouth of the Yellow River, Dongying borders Binzhou to the west, Zibo to the southwest, and Weifang to the south. The city's 350-km coastline borders Laizhou Bay and Bohai Bay to the east and north respectively. 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. Dongying is located on the banks of the Yellow River Delta. It has an area of 7,923 sq km.