Assam is located in the north-eastern part of India surrounded by states like Arunachal Pradesh in the North, Nagaland in the east, Mizoram and Tripura in the south and West Bengal in the west.

The countries viz. China and Bangladesh form international borders with Assam.

Assam is surrounded by a ring of blue hills. It is an amalgamation of plains and river valleys.Its principal geographical regions are: Brahmaputra Valley in the north; the Barak Plain in the south; and the Mikir and Cachar Hills that divide the two regions. These two largest valleys in Assam are the main lands where a large mass of human population live.