Amwa Kalan is a village in Piprarhi tehsil in district of Sheohar, Bihar, India. As per the data provided by Census of India in 2011, total population of Amwa Kalan was 25,242 which includes 13,059 males and 12,183 females. Amwa Kalan covers 1353 ha area. Pincode of Amwa Kalan is 843334.