Gamharia, a suburb of Ranchi, is located on the bank of river Erki. It is in the southern part of Ranchi District, near Ranchi-West Singhbhum border. The town is around 55 km away from Ranchi.
Hirni Fall, Kansera Mandir and Dassam Waterfalls are the nearby attractions. Tamar, the place known for the Tamar–Unda revolt, is at a distance of 14 km from Gamharia.
Chakradharpur Railway Station is the nearest rail junction. The closest airport is Ranchi Airport.