Cangzhou City belongs to Hebei Province. Cangzhou, a prefecture-level city under the jurisdiction of Hebei Province, is located in southeastern Hebei Province, east of the Hebei Plain in the Heilonggang Basin, between latitude 37 ° 29' and 38 ° 57' north, longitude 115 ° 42' and 117 ° 50' east. East of the Bohai Sea, north of Tianjin, Langfang, west and southwest of Baoding, Hengshui border, south of Zhang Weixin and Shandong Binzhou, Dezhou. Cangzhou is named for its proximity to the Bohai Sea. Its urban area is 120 kilometers from Tianjin, 240 kilometers from Beijing, and 220 kilometers from Shijiazhuang, the provincial capital in the southwest. It is the southern gateway to Beijing and Tianjin. The Beijing-Hangzhou Grand Canal runs through the city. Beijing-Shanghai Railway, Beijing-Kowloon Railway, Huangshuo Railway, Huanghan Railway and Beijing-Shanghai high-speed railroad run through the jurisdiction. Topography of Cangzhou Cangzhou City is located in the eastern part of the Jizhong Plain, with a low terrain and little undulation, with a maximum elevation of 17 meters and a minimum elevation of 2 meters. The terrain slopes from southwest to northeast, with the western part being part of the edge of the alluvial fan in front of the Taihang Mountains, the central part being the vast plain formed by the alluvial deposition of the Yellow River, the Zhang River, the Hutuo River, and the Tang River, and the eastern part being the coastal sea-phase lagoon plain formed by the tidal accumulation of the Bohai Sea. Cangzhou is located in the Haihe River Basin, there are many rivers in the territory, known as "nine rivers lower". Upstream there are three into the Cangzhou water system, through the southeast and northwest, crisscrossing. more than 20 rivers in nine places into the sea, many wetlands and the huge sea of reeds to maintain a good ecological environment, is more than 200 kinds of migratory birds resting place.