Trichy-Tanjore Diocese of the Church of South India

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The Church of South India's CSI Tiruchirappalli Thanjavur Diocese (தென்னிந்திய திருச்சபை, திருச்சிராப்பள்ளி-தஞ்சாவூர் பேராயம்) is in the Indian state of Tamil Nadu. The diocese was one of the first 14 to be established at the Church of South India's founding in 1947. It is one of the 24 dioceses of the Church of South India, a United Protestant denomination.