Barcelona is the capital and the most populous city of Catalonia, and the second largest city in Spain, with a population of 1,621,537, climbing to 4,200,000 for the metropolitan area.
The main tra...
Budapest is the capital city of Hungary. With an estimated population of 1,752,286 over a land area of about 525 square kilometres, it is the 9th populous city in Europe; however, this size poses a se...
