Koderma subdivision is the only administrative subdivision in the Koderma district in the North Chotanagpur division in the state of Jharkhand, India.

[1] The district is headed by a Deputy commissioner(DC) , who is assisted by a number of officers.

Koderma subdivision continues to function with six community development blocks: Koderma, Jainagar, Markacho, Satgawan, Chandwara and Domchanch.

Two statutory towns are: Koderma and Jhumri Telaiya.

Three census towns are: Bekobar, Karma and Domchanch.