Amarthal Urf Unchagaon is a village in Siana tehsil in district of Bulandshahr, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Amarthal Urf Unchagaon was 6,560 which includes 3,411 males and 3,149 females. Amarthal Urf Unchagaon covers 608.13 ha area. Pincode of Amarthal Urf Unchagaon is N/A.