Nal Sarovar Bird Sanctuary, consisting primarily of a 120.82-square-kilometre (46.65 sq mi) lake and ambient marshes, is situated about 64 km to the west of Ahmedabad near Sanand Village, in the Gujarat state of India. Mainly inhabited by migratory birds in winter and spring, it is the largest wetland bird sanctuary in Gujarat, and one of the largest in India. It was declared a bird sanctuary in April 1969.