Kannur is one of the 14 districts along the west coast in the state of Kerala, India. The city of Kannur is the district headquarters and gives the district its name. The old name, Cannanore, is the anglicized form of the Malayalam name "Kannur". Kannur district is bounded by Kasaragod District to the north, Kozhikode district to the south, Mahé district to the southwest and Wayanad District to the southeast. To the east, the district is bounded by the Western Ghats, which forms the border with the state of Karnataka. The Arabian Sea lies to the west. Paithalmala is the highest point in Kannur District (1,372m). Enclosed within the southern part of the district is the Mahé district of the Union Territory of Puducherry. The district was established in 1957.

Kannur, formerly known in English as Cannanore, is a city and a municipal corporation in the state of Kerala, India. It is the administrative headquarters of the Kannur district and situated 274 kilometres (170 mi) north of the major port city and commercial hub Kochi and 137 kilometres (85 mi) south of the major port city and a commercial hub, Mangalore. During the period of British colonial rule in India, when Kannur was a part of the Malabar District, the city was known as Cannanore. Kannur is the sixth largest urban agglomeration in Kerala. As of 2011 census, Kannur Municipal Corporation, the local body which administers mainland area of city, had a population of 232,486.