Ghaghwa is a village in Madhubani tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Ghaghwa was 4,945 which includes 2,570 males and 2,375 females. Ghaghwa covers 713 ha area. Pincode of Ghaghwa is 845104.