The basilica installed by Emperor Constantine was located beside Nero's Circus where St. Peter was martyred. The current one was built on the same site. The city-state is located between 20 and 76 meters high and the Basilica dome 130 meters high.
A basílica instalada pelo Imperador Constantino situava-se ao lado do circo de Nero onde martirizaram São Pedro. Edificaram a atual no mesmo local. A cidade-estado localiza-se entre os 20 e 76 metros de altitude e a cúpula da Basílica a 130 metros.