Roman Catholic Diocese of Kottar Tags: Clerical Administrative Region, Diocese.The Roman Catholic Diocese of Kottar (Latin: Kottaren(sis)) is a diocese located at Kottar in the city of Nagercoil in Kanyakumari District of Tamil Nadu. It comes under the Ecclesiastical province of Madurai in India. thumbnail area (km2) 1.665e+09 country India Established 26 May 1930 jurisdiction Diocese patron Francis Xavier province Roman Catholic Archdiocese of Madurai Learn more... Loading...