Hosur is an industrial city located in the Tamil Nadu state of India.

Hosur is home to major manufacturing industries including Stellantis, Ashok Leyland, Titan, TVS Motors, Caterpillar, Ather Energy, Schaeffler, and many others.

In 1801 he handed over the southern part of the Mysore kingdom as a partial settlement to the Presidencies and provinces of British India.

Due to its high elevation, Hosur usually enjoys salubrious and moderate climate throughout the year, with occasional heat waves.

Hosur receives rainfall from both the northeast and the southwest monsoons and the wettest months are October, September, and August, in that order.

Telugu and Kannada are also widely spoken, since the town was part of Mysore Kingdom prior to linguistic reorganization of states in 1956.

With industrialization lot of people migrated from various parts of the state, so there are a significant number of Tamil speakers now in the town.

Major companies include TVS Motors, Ashok Leyland, Titan, Sundaram Clayton, Harita Seatings, Harita Fehrer, General Electric, Kansai Nerolac Paints, Mylan, GRB Foods, Kamaz Vectra Motors, Alstom, Faiveley Transport, Caterpillar Inc., Carborundum Universal, Exide Industries Ltd, Hindustan Motors, Ion Exchange (India) Limited, Hindustan Unilever, Schaeffler, TTK Prestige, Tab India Granites Pvt Ltd, Bata Shoes, Del Monte Foods, Nippon Electricals, Wendt, Toyota Boshoku, Nilkamal Plastics and Reckitt Benckiser.

There are plans for the development of an Information Technology Special Economic Zone near Hosur.

[17] ELCOT has called for applications for the allotment of land in the IT Park of Hosur in the month of June 2010.

Crops consist of tomatoes, cabbages, onions, mangoes, capsicum, carrot, cucumber, beans, coriander leaves, turnips and radish.

In July 2019, the government announced the construction of an international flower auction centre with quality control laboratory, cold storage facility, administrative building and an electronic auction hall at a cost of ₹ 202 million.

It will deal with flowers cultivated on 3,702 hectares in the district, which are also exported to Australia, Singapore, and Malaysia.

[22] National Highway AH43 (NH 44) passes through Hosur connecting it with Bangalore, Chennai, Salem, Madurai and Kanyakumari.

It has three rail tracks, two for passenger trains, intercity, express trains, and another for freight Hosur has a central bus station which was re-constructed and named after Father of Hosur, veteran politician K. Appavu Pillai and inaugurated by M. K. Stalin on 18 July 2010.