Gurdah Urf Ghausnagar is a village in Runisaidpur tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Gurdah Urf Ghausnagar was 6,847 which includes 3,632 males and 3,215 females. Gurdah Urf Ghausnagar covers 51.2 ha area. Pincode of Gurdah Urf Ghausnagar is 843117.