5th arrondissement of Paris
The 5th arrondissement of Paris ("V arrondissement") is one of the 20 arrondissements of the capital city of France. In spoken French, this arrondissement is referred to as "le cinquième". The arrondissement, also known as Panthéon, is situated on the Rive Gauche of the River Seine. It is one of the capital's central arrondissements. The arrondissement is notable for being the location of the Quartier Latin, a district dominated by universities, colleges and prestigious high schools since the 12th century when the University of Paris was created. It is also home to the National Museum  of Natural History and Jardin des plantes in its eastern part. The 5th arrondissement is also one of the oldest districts of the city, dating back to ancient times. Traces of the area's past survive in such sites as the Arènes de Lutèce, a Roman amphitheatre, as well as the Thermes de Cluny, a Roman "thermae". Geography. The 5th arrondissement covers some 2.541 km² (0.981 sq. miles, or 628 acres) in central Paris. Demography. The population of the arrondissement peaked in 1911 when the population density reached almost 50,000 inhabitants per km². In 2009, the population was 61,531, while  48,909 worked in the arrondissement. History. The V arrondissement is the oldest arrondissement in Paris, and was first built by the Romans. The construction of the Roman town "Lutetia" dates back from the 1st century BC, which was built after the conquest of the Gaulish site, situated on the île de la Cité by the Romans. Saint-Hilaire is a ruined 12th-century church in Paris, active until the French Revolution. Government and infrastructure. The Ministry of Higher Education and Research has its head office in the arrondissement. Previously the Bureau d'Enquêtes sur les Événements de Mer (BEAmer) had its  head office in the 5th arrondissement. Economy. (ソニーコンピュータサイエンス研究所) Paris is in the arrondissement. Cityscape. Colleges and universities. As part of the Latin Quarter, the 5th arrondissement is known for its high concentration of educational and research establishments.