Thalassery formerly Tellicherry is a commercial city on the Malabar Coast in Kannur district, in the state of Kerala, India, bordered by the districts of Mahé (Pondicherry), Kozhikode, Wayanad, Kasaragod and Kodagu (Karnataka). It is the largest populated municipality of North Malabar. Thalassery has been a historically very significant location in the past 500 years in Malabar region. Thalassery municipality has a population just under 100,000. Thalassery has an area of 23.98 square kilometres (9.26 sq mi). It is 22 km south of the district headquarters in Kannur town. Thalassery is situated in an altitude ranging from 2.5m to 30m above mean sea-level.