नगर पंचायत, धमदाहा

Dhamdaha is a town and the administrative Block in Purnia District, Bihar, India. It is situated in the Eastern part of Bihar, about 26 kilometres southwest of Purnia. In the year 2011, the village has a total population of 37,987.

Dhamdaha borders Hanumani Chakla to the north, Rupaspur Khagha to the east, Tarauni Milik to the south, and Chandrahi to the west. Bihar State Highway 65 runs east-west through the village. The average elevation is at 39 metres above the sea level.

Dhamdaha has a Humid Subtropical Climate (Cwa). It sees the most amount of rainfall in July, with an average precipitation of 384 mm; and the least amount of rainfall in November, with an average precipitation of 6 mm.