The Indian State of Karnataka is divided into 30 districts and 4 administrative divisions. The state is geographically consists of 4 principal regions: the coastal region of Karavali, the hilly Malenadu region comprising the Western Ghats, Are Malnadu region of Kolar, Bengaluru and Tumakuru and the Bayaluseeme region comprising the plains of the Deccan plateau.
Karnataka took its present shape in 1956, when the states of Mysore and Coorg (Kodagu) were merged with the Kannada-speaking districts of the former states of Bombay, Hyderabad, and Madras. Mysore state was made up of ten districts, Bangalore, Kolar, Tumakuru, Mandya, Mysore, Hassan, Chikmagalur (Kadur), Shimoga and Chitradurga; Bellary had been transferred from Madras state to Mysore in 1953, when the new state of Andhra Pradesh was created out of Madras' northern districts. Coorg state became a district,Dakshina Kannada (South Kanara) district was transferred from Madras State, Uttara Kannada, Dharwad District, Belgaum District, and Bijapur District from Bombay State, and Bidar, Gulbarga District, and Raichur district from Hyderabad State. It got its name Karnataka in the year 1973.