Located in Beijing, Tianjin, Baoding, Cangzhou, Langfang center, the county covers an area of 1028 square kilometers. Wide, clear like a jade belt around the Haihe River in northern counties, the wet season, little white sail on the river, cross under the East down the river mist Yan Liu direct Tianjin, upstream and Baiyangdian together as one.

Man On the eastern, low-lying, Su said, Higashi-Yodogawa, Hebei Province, one of the eight Wadian.