Adambar I is a village in Nannilam tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Adambar I was 2,339 which includes 1,205 males and 1,134 females. Adambar I covers 571.7 ha area. Pincode of Adambar I is 610105.