Patmau is a village in Nawabganj tehsil in district of Bara Banki, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Patmau was 2,235 which includes 1,154 males and 1,081 females. Patmau covers 351.3 ha area. Pincode of Patmau is N/A.