Although the economy of Rome is characterised by the absence of heavy industry, and it is largely dominated by services, high-technology companies (IT, aerospace, defence, telecommunications), research, construction and commercial activities (especially banking), and the huge development of tourism are very dynamic and extremely important to its economy. Rome's international airport, Fiumicino, is the largest in Italy, and the city hosts the head offices of the vast majority of the major Italian companies, as well as the headquarters of three of the world's 100 largest companies: Enel, Eni, and Telecom Italia. [152] Main articles: Music in Rome and Events in Rome The Teatro dell'Opera di Roma at the Piazza Beniamino Gigli

Tellier, Luc-Normand (2009). Urban World History: An Economic and Geographical Perspective. PUQ. p.185. ISBN 978-2-7605-2209-1. Archived from the original on 13 May 2016 . Retrieved 29 October 2015. Although the city centre is about 24km (15mi) inland from the Tyrrhenian Sea, the city territory extends to the shore, where the south-western district of Ostia is located. The altitude of the central part of Rome ranges from 13m (43ft) above sea level (at the base of the Pantheon) to 139m (456ft) above sea level (the peak of Monte Mario). [71] The Comune of Rome covers an overall area of about 1,285km 2 (496sqmi), including many green areas.

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Wilford, John Nobel (12 June 2007). "More Clues in the Legend (or Is It Fact?) of Romulus". The New York Times. Archived from the original on 17 April 2009 . Retrieved 11 August 2008. Rome has also had a major impact on music history. The Roman School was a group of composers of predominantly church music, which were active in the city during the 16th and 17th centuries, therefore spanning the late Renaissance and early Baroque eras. The term also refers to the music they produced. Many of the composers had a direct connection to the Vatican and the papal chapel, though they worked at several churches; stylistically they are often contrasted with the Venetian School of composers, a concurrent movement which was much more progressive. By far the most famous composer of the Roman School is Giovanni Pierluigi da Palestrina, whose name has been associated for four hundred years with smooth, clear, polyphonic perfection. However, there were other composers working in Rome, and in a variety of styles and forms. Statistiche Dati di Traffico Aeroportuale Italiano". Assaeroporti (in Italian) . Retrieved 21 February 2023. Rome is the principal town of the Metropolitan City of Rome, operative since 1 January 2015. The Metropolitan City replaced the old provincia di Roma, which included the city's metropolitan area and extends further north until Civitavecchia. The Metropolitan City of Rome is the largest by area in Italy. At 5,352km 2 (2,066sqmi), its dimensions are comparable to the region of Liguria. Moreover, the city is also the capital of the Lazio region. [119]

Dyson, Stephen L. (2019). Archaeology, Ideology and Urbanism in Rome from the Grand Tour to Berlusconi. Cambridge University Press. p.192. ISBN 978-0-521-87459-5. Archived from the original on 23 May 2020 . Retrieved 22 August 2019. Rome is the national capital of Italy and is the seat of the Italian Government. The official residences of the President of the Italian Republic and the Italian Prime Minister, the seats of both houses of the Italian Parliament and that of the Italian Constitutional Court are located in the historic centre. The state ministries are spread out around the city; these include the Ministry of Foreign Affairs, which is located in Palazzo della Farnesina near the Olympic stadium.The World According to GaWC 2020". www.lboro.ac.uk. Archived from the original on 3 May 2017 . Retrieved 18 July 2019. Baily, Virginia (25 July 2015). "How the Nazi occupation of Rome has gripped Italy's cultural imagination". The Guardian . Retrieved 5 January 2022. A fourth line, D line, is also planned. It will have 22 stations over a distance of 20km (12mi). The first section was projected to open in 2015 and the final sections before 2035, but due to the city's financial crisis, the project has been put on hold.

Public parks and nature reserves cover a large area in Rome, and the city has one of the largest areas of green space among European capitals. [72] The most notable part of this green space is represented by the large number of villas and landscaped gardens created by the Italian aristocracy. While most of the parks surrounding the villas were destroyed during the building boom of the late 19th century, some of them remain. The most notable of these are the Villa Borghese, Villa Ada, and Villa Doria Pamphili. Villa Doria Pamphili is west of the Gianicolo hill, comprising some 1.8km 2 (0.7 sqmi). The Villa Sciarra is on the hill, with playgrounds for children and shaded walking areas. In the nearby area of Trastevere, the Orto Botanico (Botanical Garden) is a cool and shady green space. The old Roman hippodrome (Circus Maximus) is another large green space: it has few trees but is overlooked by the Palatine and the Rose Garden ('roseto comunale'). Nearby is the lush Villa Celimontana, close to the gardens surrounding the Baths of Caracalla. The Villa Borghese garden is the best known large green space in Rome, with famous art galleries among its shaded walks. Overlooking Piazza del Popolo and the Spanish Steps are the gardens of Pincio and Villa Medici. There is also a notable pine wood at Castelfusano, near Ostia. Rome also has a number of regional parks of much more recent origin, including the Pineto Regional Park and the Appian Way Regional Park. There are also nature reserves at Marcigliana and at Tenuta di Castelporziano. Frontin, Les Aqueducs de la ville de Rome, translation and commentary by Pierre Grimal, Société d'édition Les Belles Lettres, Paris, 1944.

Twinning Cities: International Relations" (PDF). Municipality of Tirana. www.tirana.gov.al. Archived from the original (PDF) on 10 October 2011 . Retrieved 23 June 2009. Rome is served by three airports. The intercontinental Leonardo da Vinci International Airport, Italy's chief airport is located in the nearby Fiumicino, south-west of Rome. The older Rome Ciampino Airport is a joint civilian and military airport. It is commonly referred to as "Ciampino Airport", as it is located beside Ciampino, south-east of Rome. A third airport, the Roma-Urbe Airport, is a small, low-traffic airport located about 6km (4mi) north of the city centre, which handles most helicopter and private flights. The main airport system of the city (composed of Fiumicino and Ciampino), with 32.8 million passengers transported in 2022, is the second busiest airport system in Italy. [200]