Roman Catholic Diocese of Niigata
The Roman Catholic Diocese of Niigata ( , Japanese: カトリック新潟教区 ) is a diocese located in the city of Niigata in the Ecclesiastical province of Tokyo in Japan . 
<triplet> Roman Catholic Diocese of Niigata <subj> Niigata <obj> headquarters location <triplet> diocese <subj> Ecclesiastical province <obj> part of