Old Ruins to explore in Île-de-France
The most populous of the 18 regions of France. It is located in the north-central part of the country and often called the Paris Region because it includes the city of Paris. Île-de-France is densely populated and economically important: it covers only about 2% of France's territory, but has an official estimated population of 12,213,364 (18.2% of the population of France) and accounts for nearly 30% of the French GDP.
A complex of buildings which was commissioned in 1670 by Louis XIV in order to provide accommodation and hospital care for wounded soldiers. Later the parts of Les Invalides were converted into the Museum of Arms, the Museum of Contemporary History, and the Museum of Plains-Reliefs and into tombs for Napoleon I and others. It was one of the must-see locations in this area.