HosurHosur is an industrial city located in Krishnagiri district in the Tamil Nadu state of India. Hosur is one of the 21 municipal corporations in Tamil Nadu. It is located on the bank of the river River Ponnaiyar, southeast of Bengaluru and west of Chennai, the state capital. Hosur is home to major manufacturing industries including Stellantis, Ashok Leyland, Titan, TVS Motors, Caterpillar, Ather Energy, Schaeffler, and many others. Hosur was known as Murasu Nadu during the Chola period in the 13th century.