Category:Roman Catholic cathedrals in Aosta Valley
- Regions of Italy: Abruzzo · Aosta Valley · Apulia · Basilicata · Calabria · Campania · Emilia-Romagna · Friuli-Venezia Giulia · Lazio · Liguria · Lombardy · Marche · Molise · Piedmont · Sardinia · Sicily · Trentino-South Tyrol · Tuscany · Umbria · Veneto
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This category has only the following subcategory.