Mulanthuruthy Marthoman Church is located at mulanthuruthy in Ernakulam district of Kerala.Established between 1110 and 1125 AD, this church is among the ancient and famous churches of the Malankara Church and a pilgrimage center of Syrian Christians. It is the home parish of Saint Gheevarghese Mar Gregorios of Parumala who was a Syrian Orthodox religious leader and later canonized by both the Jacobite Syrian Orthodox Church and Indian Orthodox Church.
The noteworthy feature of this church is a relic of St Thomas, which was brought from Mosul. The Patriarch of Jerusalem, Mar Gregorius Yuhanon resided at this church from 1751 till he entered into eternal rest on July 10, 1773. His grave can be seen on the northern side of the church.
The church is famous for its historical importance. Mulanthuruthy church was the venue of the famous Mulanthuruthy Syond in 1876 convened by the Holy patriarch of Antioch Peter III. The Late Lamented Patriarch Moran Mor Ignatius Yakoob III visited this church, during 1964. The present Patriarch Ignatius Zakka I Iwas have visited the Church twice, during 1982 and 2000.
The church is already attracting pilgrims from the different part of the world. The murals and the tombs of different bishops are attractions for the spiritual and religious tourists. This church is situated just 32 km away from Cochin International Airport
The authority of the church remains a matter of dispute between the two Orthodox factions since it is the home parish of all the Syrian Christians living in the adjoining areas.