Assam is surrounded by six of the other Seven Sister States: Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, and Meghalaya. Geographically Assam and these states are connected to the rest of India via a strip of land in West Bengal called the Siliguri Corridor or "Chicken's Neck".
Assam shares international border with Bhutan and Bangladesh; and culture, people and climate with South-East Asia – elements in India’s Look East policy. Assam became a part of British India after the British occupied the region following the First Anglo-Burmese War of 1824–1826.
Assam tea is produced here in the region of Dibrugarh, Tinsukia and Sibsagar along with petroleum in Digboi, Duliajan and Assam silk. The state has conserved the one-horned Indian rhinoceros from near extinction, along with the pygmy hog, tiger and various species of Asiatic birds. It provides one of the last wild habitats for the Asian elephant. Assam economy is aided by wildlife tourism while Kaziranga National Park and Manas National Park are designated World Heritage Sites. Sal tree forests are found in the state, which as a result of rainfall looks green all year round. Assam receive more rainfall compared to most part of India. This rain feeds the Brahmaputra River, whose tributaries and oxbow lakes provide the region with a hydro-geomorphic and aesthetic environment.