Kolattunadu (Kola Swarupam, as Kingdom of Cannanore in foreign accounts, Chirakkal (Chericul) in later times) was one of the three most powerful feudal kingdoms on the Malabar Coast during the arrival Portuguese Armadas to India, the others being Zamorin's Calicut and Quilon. Kolattunadu had its capital at Ezhimala and was ruled by Kolattiri Royal Family and roughly comprised the whole northern districts of Kerala state and parts of Karnataka in India. Traditionally, Kolattunadu is described as the land lying between Perumba river in the north and Putupattanam river in the south.