Paris is the capital and most populous city in France, with an administrative-limits area of 105 square kilometres and an official population of 2,206,488. The city is a commune and department, and the heart of the 12,012-square-kilometre Île-de-France region (colloquially known as the 'Paris Region'), whose 2016 population of 12,142,802 represented roughly 18 percent of the population of France
Amsterdam is the capital and most populous municipality of the Netherlands. Its status as the capital is mandated by the Constitution of the Netherlands,although it is not the seat of the government, which is The Hague.
Barcelona is a city in Spain. It is the capital and largest city of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within city limits, its urban area extends to numerous neighbouring municipalities within the Province of Barcelona and is home to around 4.7 million people making it the sixth most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan.
