The Tadoba Andhari Tiger Reserve is a wildlife sanctuary in Chandrapur district of Maharashtra state in India. It is Maharashtra's oldest and largest national park. Created in 1955, the reserve includes the Tadoba National Park and the Andhari Wildlife Sanctuary. The reserve consists of 577.96 square kilometers (223.15 sq mi) of reserved forest and 32.51 square kilometers (12.55 sq mi) of protected forest.