Arunnagar is a village in Kulpi tehsil in district of South Twenty Four Parganas, West Bengal, India. As per the data provided by Census of India in 2011, total population of Arunnagar was 4,604 which includes 2,408 males and 2,196 females. Arunnagar covers 351.27 ha area. Pincode of Arunnagar is 743374.