on the Seine River, in the north of the country, it is in the centre of the Île-de-Franceregion, also known as the région parisienne, "Paris Region". The City of Paris has an area of 105km² (41mi²) and a population of 2,241,346 (2014 estimate) within its administrative borders essentially unchanged since 1860.

Since the 19th century, the built-up area of Paris has grown far beyond its administrative borders; together with its suburbs, the whole agglomeration has a population of 10,550,350 (Jan. 2012 census).Paris' metropolitan area spans most of the Paris region and has a population of 12,341,418 (Jan. 2012 census), or one-fifth of the population of France. The administrative region covers 12,012km² (4,638mi²), with approximately 12 million inhabitants as of 2014, and has its own regional council and president.

Paris wasfounded in the 3rd century BC by a Celtic people called the Parisii, who gave the city its name. By the 12th century, Paris was the largest city in the western world, a prosperous trading centre, and the home of the University of Paris, one of the first in Europe. In the 18th century, it was the centre stage for the French Revolution, and became an important centre of finance, commerce, fashion, science, and the arts, a position it still retains today.

History

The Academy of Sciences owes its origin to Colbert's plan to create a general academy. He chose a small group of scholars who met on 22 December 1666 in the King's library, and thereafter held twice-weekly working meetings there. The first 30 years of the Academy's existence