Koderma is bordered by
Nawada district of Bihar on the north, the
Gaya district of
Bihar on the west, the
Giridih district of Jharkhand on the east, and the
Hazaribagh district of Jharkhand on the south. Koderma is surrounded by forests. The main rivers of the district are
Barakar, Barsoi and Sakri. Dhawajadhari Pahar is a hill dedicated to lord Shiva, where at Mahashivratri many devotees assemble to worship the god. Chanchal dham (hill) which is located from Nawadih railway station and from Koderma junction railway station, is dedicated to Maa Chanchalni. Many devotees gather here for the festivals of durga pooja, ramnavmi, akhari pooja, etc to worship Chanchalni Maa to fulfill their desires. Koderma district is richly endowed with natural resources.
Quartz,
feldspar,
asbestos, blue stone, white stone and moon stone are the minerals found here. At one time, Koderma was considered as the
mica capital of India. ==Demographics==