| Major Archiepiscopal Sees (Major Archdioceses) (1) | Ecclesiastical Province | Country | Churches and Bishops |
 Trivandrum / Thiruvananthapuram | India  |  | |
| Metropolitan Sees (Archdioceses) (2) | Ecclesiastical Province | Country | Churches and Bishops |
 Tiruvalla | Tiruvalla | India |   |
| Trivandrum / Thiruvananthapuram | Trivandrum | India |   |
| Episcopal Sees (Dioceses) (10) | Ecclesiastical Province | Country | Churches and Bishops |
 Bathery / Batheri / Battery | Tiruvalla | India |  |
| Marthandam / Marthandom | Trivandrum | India | |
| Mavelikkara / Mavelikara | Trivandrum | India |  |
| Moovatupuzha / Muvattupuzha | Tiruvalla | India | |
| Parassala | Trivandrum | India | |
| Pathanamthitta | Trivandrum | India | |
| Puthur / Puttur | Tiruvalla | India | |
| Saint Ephrem of Khadki | Trivandrum | India | |
| Saint John Chrysostom of Gurgaon | India | | |
| Saint Mary, Queen of Peace, of the United States of America and Canada | USA  , Canada  | |
