Silchar is a city and the headquarters of the Cachar district of the state of Assam, India. It is second largest city of Assam after Guwahati in terms of area, population and GDP. It is also administrative capital of Barak Valley division. It is located 343 kilometres south east of Guwahati. It was founded by Captain Thomas Fisher in 1832 when he shifted the headquarters of Cachar to Janiganj in Silchar. It earned the moniker "Island of Peace" from Indira Gandhi, the then Prime Minister of India. Silchar is the site of the world's first polo club and the first competitive polo match. In 1985, an Air India flight from Kolkata to Silchar became the world's first all-women crew flight. Silchar was a tea town and Cachar club was the meeting point for tea planters.

Cachar district is an administrative district in the state of Assam in India. After independence, the pre-existing undivided Cachar district was split into four districts: Dima Hasao, Hailakandi, Karimganj, and the current Cachar district. Silchar is Cachar district's center of government.