Roman Catholic Archdiocese of Moscow Tags: Clerical Administrative Region, Diocese.The Archdiocese of Moscow also known as Archdiocese of Mother of God at Moscow (Latin: Moscovien(sis) Matris Dei Russian: Архиепархия Матери Божией в Москве) is a Latin Rite archdiocese of the Catholic Church located in the city of Moscow in Russia. thumbnail area (km2) 2.629e+12 jurisdiction Diocese Learn more... Loading...