Chahalwa is a village in Nanpara tehsil in district of Bahraich, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Chahalwa was 9,638 which includes 5,061 males and 4,577 females. Chahalwa covers 2437.88 ha area. Pincode of Chahalwa is 271841.