Borsar Bk is a village in Kannad tehsil in district of Aurangabad, Bihar, India. As per the data provided by Census of India in 2011, total population of Borsar Bk was 1,282 which includes 654 males and 628 females. Borsar Bk covers 679.98 ha area. Pincode of Borsar Bk is 431115.