Changamkari Dharma Sastha temple is located around 3 km from Edathua in Alappuzha district, Kerala. The 8-day temple festival is observed in such a manner that the festival ends with Arattu on Uthram nakshatra in Medam month.
The main deity worshipped in the temple is Dharma Sastha. The deity is made from granite stone and it faces west. The temple is noted for carving on wood. An Arukola of a Manthrikan is also worshipped in the temple.
It is believed that the temple has some kind of connection with Talavadi Anaprambal Dharmasastha temple and Thakazhi Dharmasastha temple.