St Thomas Mar Thoma Church is located at Thiruvalla
in Pathanamthitta District
. The church derived its name from Thomas the Apostle. The church contains many mural paintings. Thiruvalla is the headquarters of the Malankara Marthoma Syrian Church.
The church can be approached as it is on the ThiruvallaĖEdathua route. Thiruvalla Railway Station is the nearest railway station.