Peter's tomb was found under Saint Peter's Basilica.

Yes! it is built for the memory of the first pope.His tomb lies in the center of the basilica.

There is a tomb of Saint Peter under the basilica that bears his name in the Vatican.

The tomb of Saint Peter determined the location of St. Peter's Basilica.

Saint Peter of course, one of Jesus's disciples, who was chosen by Christ to be the first leader of the Catholic church, although it would have just been called the Christian one then.

The Basilica sits atop the tomb of Saint Peter and is a memorial to him.