Question: which is the largest catholic church in the world
Answer: Area ( m2 ) Gross volume ( m3 ) Name Built City Country Denomination 15,160 ( interior ) 21,095 ( exterior ) 5,000,000 St. Peter 's Basilica 1506 -- 1626 Vatican City Vatican City Catholic ( Latin ) Area can be verified on a plan printed as 205 % size in 1 : 1000 scale to match a 41.