country san rocco
The Campus Martius ( Latin for the " Field of Mars ", Italian " Campo Marzio "), was a publicly owned area of ___MASK37___ about in extent . In the Middle Ages , it was the most populous area of Rome . The IV rione of Rome , Campo Marzio , which covers a smaller section of the original area , bears the same name . Augustus ( 23 September 63 BC  19 August 14 AD ) was the founder of the Roman Principate and considered the first Emperor , controlling the ___MASK96___ from 27 BC until his death in AD 14 . Sant ' Ambrogio e Carlo al Corso ( usually known simply as " San Carlo al Corso ") is a basilica church in Rome , ___MASK70___ , facing onto the central part of the Via del Corso . The apse of the church faces across the street , the Mausoleum of Augustus on Via di Ripetta . Rome is a city and special " comune " ( named " Roma Capitale ") in ___MASK70___ . Rome is the capital of ___MASK70___ and of the Lazio region . With 2 , 870 , 336 residents in , it is also the country ' s largest and most populated " comune " and fourth - most populous city in the European Union by population within city limits . The Metropolitan City of Rome has a population of 4 . 3 million residents . The city is located in the central - western portion of the Italian Peninsula , within Lazio ( Latium ), along the shores of Tiber river . The Vatican City is an independent country geographically located within the city boundaries of Rome , the only existing example of a country within a city : for this reason Rome has been often defined as capital of two states . ___MASK70___ , officially the Italian Republic , is a unitary parliamentary republic in Europe . Located in the heart of the Mediterranean Sea , ___MASK70___ shares open land borders with France , Switzerland , Austria , Slovenia , San Marino and Vatican City . ___MASK70___ covers an area of and has a largely temperate seasonal climate and Mediterranean climate ; due to its shape , it is often referred to in ___MASK70___ as " lo Stivale " ( the Boot ). With 61 million inhabitants , it is the fourth most populous EU member state . San Rocco is a church at 1 Largo San Rocco , Rome , dedicated to Saint Roch . It is next to the Mausoleum of Augustus . The Ara Pacis Augustae ( Latin , " Altar of Augustan Peace "; commonly shortened to Ara Pacis ) is an altar in Rome dedicated to Pax , the Roman goddess of Peace . The monument was commissioned by the Roman Senate on July 4 , 13 BC to honor the return of Augustus to Rome after three years in Hispania and ___MASK21___ , and consecrated on January 30 , 9 BC . Originally located on the northern outskirts of Rome , a Roman mile from the boundary of the " pomerium " on the west side of the Via Flaminia , it stood in the northeastern corner of the Campus Martius , the former flood plain of the Tiber River and gradually became buried under of silt deposits . It was reassembled in its current location in 1938 . The Roman emperor was the ruler of the ___MASK96___ during the imperial period ( starting in 27 BC ). The emperors used a variety of different titles throughout history . Often when a given Roman is described as becoming " emperor " in English , it reflects his taking of the title " Augustus " or " Caesar ". Another title often used was " imperator ", originally a military honorific . Early Emperors also used the title " princeps " ( first citizen ). Emperors frequently amassed republican titles , notably " Princeps Senatus ", " Consul " and " Pontifex Maximus ". The Mausoleum of Augustus is a large tomb built by the Roman Emperor Augustus in 28 BC on the Campus Martius in Rome , ___MASK70___ . The mausoleum is located on the Piazza Augusto Imperatore , near the corner with Via di Ripetta as it runs along the Tiber . The grounds cover an area equivalent to a few city blocks , and nestle between the church of San Carlo al Corso and the Museum of the Ara Pacis . The interior of the mausoleum is not open to tourists .