Lisbon is the capital and the largest city of Portugal with a population of 547,631 within its administrative limits on a land area of 84.8 square kilometres (32.7 sq mi). About 3,035,000 people live in the Lisbon Metropolitan Area (which represents approximately 27% of the population of the country). Lisbon is the westernmost large city located in Europe, as well as its westernmost capital city and the only one along the Atlantic coast. It lies in the western Iberian Peninsula on the Atlantic Ocean and the River Tagus.
Lisbon is one of the oldest cities in the world, and the oldest city in Western Europe, predating other modern European capitals such as London, Paris and Rome by hundreds of years. Julius Caesar made it a municipium called Felicitas Julia, adding to the name Olissipo.
Lisbon has two sites listed by UNESCO as a World Heritage Site: Belém Tower and Jerónimos Monastery. Furthermore, in 1994, Lisbon was the European Capital of Culture and in 1998 organised an Expo ’98 (1998 Lisbon World Exposition).