Nagar Diha is a village in Jale tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Nagar Diha was 4,014 which includes 2,124 males and 1,890 females. Nagar Diha covers 117 ha area. Pincode of Nagar Diha is 847302.