Rohtas district is located in the state of Bihar, India. It is known for its rich history and cultural heritage, with several ancient sites and monuments. The district is named after the historic Rohtas Fort, which was built in the 16th century and is a UNESCO World Heritage Site. The district is primarily agricultural, with farming being the main occupation of its residents. Major crops include rice, wheat, and sugarcane. Rohtas is also home to various rivers, including the Sone River, which plays a crucial role in irrigation and local ecosystems.