Unchdih is situated in Gumla District
. The town is around 10 km south of Basia
and 9 km north of Barasloia. The nearest major city is Gumla
, which is around 40 km north-west.
The South Koel River, a branch of the Koel River, flows close to the town. Bhaghmunda Waterfalls is with in a short distance, and the 400-year-old Lord Jagannath Temple at Basia is nearby. Other major attractions near Unchdih are Aamtoli and Banpur Shiv Temple.
Ranchi, the state capital, is nearly 80 km north-east. Bano Railway Station and Ranchi Airport serve Unchdih.