San Pietro in Montorio is a church in Rome, Italy, which includes in its courtyard the Tempietto, a small commemorative martyrium built by Donato Bramante. The Church of San Pietro in Montorio was built on the site of an earlier 9th-century church dedicated to Saint Peter on Rome's Janiculum hill. It serves as a shrine, marking the supposed site of St. …San Pietro in Montorio is a church in Rome, Italy, which includes in its courtyard the Tempietto, a small commemorative martyrium built by Donato Bramante. The Church of San Pietro in Montorio was built on the site of an earlier 9th-century church dedicated to Saint Peter on Rome's Janiculum hill. It serves as a shrine, marking the supposed site of St. Peter's crucifixion.