Lohiyar Ujain 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 Lohiyar Ujain was 12,628 which includes 6,624 males and 6,004 females. Lohiyar Ujain covers 1108.8 ha area. Pincode of Lohiyar Ujain is N/A.