Niranam is a village in the delta of the Pampa and Manimala rivers, in Thiruvalla taluk of Pathanamthitta district, and one of the church's most historic sites. The diocese takes its name and seat from this parish.
Counts above reflect Orthodox-held institutions only; churches, chapels, and other properties currently under schismatic occupation are catalogued separately below and are not included in these totals.
11 districts, listed alphabetically.