Idukki has an area of and is the second-largest district of Kerala (the largest being Palakkad). Rugged mountains and forests cover about 97 per cent of the total area of the district. The district consists of five taluks: Thodupuzha, Devikulam, Idukki, Udumbanchola, and Peerumedu albeit Idukki is a newly created taluk came into existence since 2013 by UDF government. The district borders the Kerala districts of Pathanamthitta in the south, Kottayam in the southwest, Ernakulam in the northwest, and Thrissur in the north. Idukki also shares borders with Coimbatore, Dindigul, small parts of Tenkasi, Tiruppur, Theni, and Virudhunagar districts of Tamil Nadu in the east. Idukki is not connected to rail or air networks yet and is accessible only by road.