Dongguang County, subordinate to Cangzhou City, Hebei Province, is located in the south of Cangzhou City, between 116 ° 28 ′ - 116 ° 53 ′ E and 37 ° 44 ′ - 38 ° 02 ′ N. Dongguang County has a warm temperate semi warm continental monsoon climate. As of October 2021, Dongguang County has jurisdiction over 8 towns and 1 township. The county people's government is located in Dongguang Town. As of 0:00 on November 1, 2020, the permanent population of Dongguang County is 340288.

In the fourth year of Emperor Gaodi of the Han Dynasty (203 BC), Dongguang County was established. In 1970, Cangzhou District was renamed Cangzhou District, and then Dongguang County. The Beijing Hangzhou Grand Canal, Beijing Shanghai Railway, National Highway 104, Beijing Shanghai Expressway and Beijing Shanghai High speed Railway run through the whole area from north to south. They are important business and transportation centers in southeast Hebei. Dongguang County is the 13th Model City (County) of Double Support in Hebei Province, an advanced county (city, district) in Hebei Province that optimizes the business environment to promote high-quality development, and an advanced county in Hebei Province that optimizes the business environment to promote high-quality development in 2021. The main scenic spots are Dongguang Tiefo Temple, Ma Zhiyuan Memorial Hall, Erlanggang Yongqing Temple.

In 2020, the GDP of Dongguang County will reach 15.6 billion yuan, with an average annual growth of 6.5%.