Sitamarhi district is located in the state of Bihar, India. It is situated in the northern part of Bihar and is known for its cultural and historical significance. The district headquarters is the town of Sitamarhi.

Sitamarhi is primarily an agricultural region, with the majority of the population engaged in farming activities. The main crops grown in the district include rice, wheat, maize, and sugarcane. The fertile plains of Sitamarhi, watered by the rivers Gandak and Burhi Gandak, contribute to the agricultural prosperity of the region.