Mohiuddinchak is a village in Nathnagar tehsil in district of Bhagalpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Mohiuddinchak was 2,253 which includes 1,225 males and 1,028 females. Mohiuddinchak covers 5 ha area. Pincode of Mohiuddinchak is 812006.