Karunagappally is situated 27 km north to Kollam. It is linked with Kollam by rail and road. There is a mini civil station at Karunagappally. Padayanarkulangara, which forms part if the town, was once the military station of the Kayamkulam Rajas.
An idol of Buddha, recovered from a local tank here, is now preserved in the Krishnapuram palace, situated north of Oachira. The town has a temple dedicated to Lord Shiva, two old mosques and a Mar Thoma Church. The place has beautiful backwaters, which connects it to Kollam and Alappuzha. The famous Mata Amrithananthamayi Mathom is located at Vallikkavu, Karunagappally.
Karunagappally block consists of 4 Panchayats viz, Allappad, Karunagappally, Thodiyoor and Mynagappally, covering an area of 66.34 sq km. The block is industrially forward because of its advantageous location on National Highway near to sea. Coconut, paddy, tapioca, banana etc are the mail agricultural crops.
Prominent small scale and cottage industries are based on bricks, well rings making, engineering and electronics items handicrafts etc.