Semralabedaha is a village in Piprasi tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Semralabedaha was 20,404 which includes 10,760 males and 9,644 females. Semralabedaha covers 11085 ha area. Pincode of Semralabedaha is 845104.