<page_title> List of largest church buildings </page_title> <section_title> List </section_title> <table> <cell> St. Peter's Basilica <col_header> Name </col_header> <col_header> Interior </col_header> </cell> <cell> 15,160 <col_header> Area (m²) </col_header> <col_header> Exterior </col_header> </cell> <cell> 21,095 <col_header> Area (m²) </col_header> </cell> </table>
St. Peter's Basilica is the largest Christian church building with an exterior area of 21,095 square meters and an interior area of 15,160 square meters.