Roman Catholic Diocese of San Ignacio de Velasco Tags: Clerical Administrative Region, Diocese.The Roman Catholic Diocese of San Ignacio de Velasco (Latin: Dioecesis Sancti Ignatii Velascani) is a diocese located in the city of San Ignacio de Velasco in the Ecclesiastical province of Santa Cruz de la Sierra in Bolivia. thumbnail area (km2) 1.97e+11 country Bolivia Established 27 January 1930 ( years ago) jurisdiction Diocese province Roman Catholic Archdiocese of Santa Cruz de la Sierra Learn more... Loading...