Chak Asrasar is a village in Lunkaransar tehsil in district of Bikaner, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Chak Asrasar was 425 which includes 232 males and 193 females. Chak Asrasar covers 530.07 ha area. Pincode of Chak Asrasar is 334604.