That’s gtreat Palter,
But it did nothing to answer anything.
Same place.
The largest Christian church in the world is St. Peter’s Basilica, built over the tomb of St. Peter. St. Peter’s is not the cathedral church of Rome, St. John Lateran is. The term basilica refers to a church given special designation by the Pope.
The Basilica of Saint Paul Outside the Walls is built over the burial place of St. Paul the Apostle.