Ghiuadhar is a village in Harsidhi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Ghiuadhar was 7,291 which includes 3,791 males and 3,500 females. Ghiuadhar covers 364.99 ha area. Pincode of Ghiuadhar is 845411.