It is situated south of the eastern Himalayas along the Brahmaputra and Barak River valleys. The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur to the east; Meghalaya, Tripura, Mizoram and Bangladesh to the south; and West Bengal to the west via the Siliguri Corridor, a 22 kilometres wide strip of land that connects the state to the rest of India. Guwahati is the state capital of Assam. It is also one of the world’s most populous subdivisions.
Assam is home to the one-horned Indian rhinoceros, along with the wild water buffalo, pygmy hog, tiger and various species of Asiatic birds, and provides one of the last wild habitats for the Asian elephant. The Assamese economy is aided by wildlife tourism to Kaziranga National Park and Manas National Park, which are World Heritage Sites.
Dibru-Saikhowa National Park is famed for its feral horses.