Barcelona is a vibrant city located in Catalonia, Spain. In terms of population, Barcelona is the second most populous city in Spain, with a population of over 1.6 million people. The city covers an area of approximately 101 square kilometers (39 square miles), making it a relatively compact city with a high population density.
As of 2021, Barcelona has a population of approximately 1.6 million people and covers an area of 101.9 square kilometers (39.4 square miles).