Mandya District is an administrative district of Karnataka, India. The district is bordered on the south by Mysore and Chamarajangar districts, on the west by Hassan District, on the north by Tumkur District and on the east by Ramanagara district. The district Mandya was carved out of larger Mysore district in the year 1939. Mandya is the main town in Mandya District. As of 2011, the district population was 1,808,680 (of which 16.03% was urban).