Tilaiya is located in the Kodarma District of Jharkhand. It is surrounded by towns such as Gujhandi, Jharki and Jumri Tilaiya.
Tilaiya Dam, built across Barakar River, is the prime attraction. Tilaiya Thermal Power Station and Sainik School are the major landmarks.
Ranchi Airport is the closest airport and Gujhandi Railway Station is the nearest rail junction.