Giridih is headquarters of the Giridih district of Jharkhand state, India. The city of Giridih is known for its industrial and health sectors, as well as its scenery. Giridih houses the Giridih Coalfield which is one of the oldest coalfields to be worked in India. Giridih is one of the six Data Processing Centres of Data Processing Division (DPD) of National Sample Survey Office (NSSO).