Chas is a Municipal Corporation in the Chas subdivision of the Bokaro district of the state of Jharkhand, India. It is often referred to as a suburb of Bokaro Steel City, though it predates the steel plant. Chas is one of the fastest-growing urban regions in Jharkhand and was ranked as the cleanest city of Eastern India and the 19th cleanest city of India in 2018, according to Swachh Survekshan.
