Originally a sparsely populated area of farming and fishing villages, the territory has become one of the world's most significant financial centres and commercial ports.
View moreTokyo is one of the most densely populated cities in the world.
View moreMexico is the most populated Spanish-speaking country in the world.
View moreIt is the 6th most populated city in the world, and 7th most crowded.
View moreMetropolitan Manila is densely populated and contains a significant proportion of the population of the country.
View moreBarcelona is the second most populated city in Spain, and the tenth in the European Union.
View more