Thrissur (formerly Trichur) is a revenue district of Kerala situated in the central part of that state. Spanning an area of about 3,032 km2, Thrissur district is home to over 10% of Kerala's population. Thrissur district is bordered by the districts of Palakkad and Malappuram to the north, and the districts of Ernakulam and Idukki to the south. The Arabian Sea lies to the west and Western Ghats stretches towards the east.