Assam (; Assamese: [ˈɔxɔm] (listen)) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of 78,438 km2 (30,285 sq mi). 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 (14 mi) wide strip of land that connects the state to the rest of India. Assamese and Bodo are the official languages of Assam, while Bengali is an additional official language in the Barak Valley. Assam is known for Assam tea and Assam silk. The state was the first site for oil drilling in Asia. 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. Sal tree forests are found in the state which, as a result of abundant rainfall, look green all year round. Assam receives more rainfall than most parts of India; this rain feeds the Brahmaputra River, whose tributaries and oxbow lakes provide the region with a hydro-geomorphic environment.

Guwahati (, Assamese: [guwaɦati]; formerly rendered Gauhati, ) is the biggest city of the Indian state of Assam and also the largest metropolis in northeastern India. Dispur, the capital of Assam, is in the circuit city region located within Guwahati and is the seat of the Government of Assam. A major riverine port city along with hills, and one of the fastest growing cities in India, Guwahati is situated on the south bank of the Brahmaputra. It is called the ''Gateway to North East India''.The ancient cities of Pragjyotishpura and Durjaya (North Guwahati) were the capitals of the ancient state of Kamarupa. Many ancient Hindu temples like the Kamakhya Temple, Ugratara Temple, Basistha Temple, Doul Govinda Temple, Umananda Temple, Navagraha Temple, Sukreswar Temple, Rudreswar Temple, Manikarneswar Temple, Aswaklanta Temple, Dirgheshwari Temple, Asvakranta Temple, Lankeshwar Temple, Bhubaneswari Temple, Shree Ganesh Mandir, Shree Panchayatana Temple, Noonmati, and the like, are situated in the city, giving it the title of "The City of Temples".Guwahati lies between the banks of the Brahmaputra River and the foothills of the Shillong plateau, with LGB International Airport to the west and the town of Narengi to the east. The North Guwahati area, to the northern bank of the Brahmaputra, is being gradually incorporated into the city limits. The noted Madan Kamdev is situated 30 kilometres (19 miles) from Guwahati. The Guwahati Municipal Corporation, the city's local government, administers an area of 216 square kilometres (83 sq mi), while the Guwahati Metropolitan Development Authority (GMDA) is the planning and development body of Greater Guwahati Metropolitan Area. Guwahati is the largest city in Northeast India.The Guwahati region hosts diverse wildlife including rare animals such as Asian elephants, pythons, tigers, rhinoceros, gaurs, primate species, and endangered birds.