Bak Sunri is a village in Chauri Chaura tehsil in district of Gorakhpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Bak Sunri was 951 which includes 466 males and 485 females. Bak Sunri covers 135.27 ha area. Pincode of Bak Sunri is 273413.