Pir Barhauna is a village in Daniawan tehsil in district of Patna, Bihar, India. As per the data provided by Census of India in 2011, total population of Pir Barhauna was 3,087 which includes 1,587 males and 1,500 females. Pir Barhauna covers 267 ha area. Pincode of Pir Barhauna is N/A.