Kalayanthani is a small town in Thodupuzha Taluk. It lies in the Idukki district of Kerala, India. The village is 9 km east of Thodupuzha, on the Velliyamattom route. Kalayanthani is the meeting point of the Alakode and Velliamattom village Panchayats. The main public establishments of Kalayanthani are St. Mary's Catholic Church (1920), the famous Muslim Mosque Konthalapally, St. George's High School., Club and . A post office, a branch of Union bank, Urban Bank, Alakode service Cooperative Bank, and a primary health center are the main public institutions in Kalayanthani.