Barcelona is Spain's second largest city, in population, with around 3,200,000 people. This innovative, diverse city is located on the northeast coast of the peninsula along the Mediterranean Sea. Barcelona is the capital of the Catalonian region, as well as the province of Barcelona. Although Spanish is the official language in Spain, in the Catalonian region, Catalan is also recognized as the co-official language. The weather is typically decent year-round, with the nicest months being May until July, as well as September, generally. Like many Spanish cities, August tends to be the hottest month, with temperatures soaring into the mid 30s at times. The winters are cooler, but there is not much precipitation. Barcelona is ranked just after Madrid as the country's main source of economy. It is also home to one of the most major Mediterranean ports. Barcelona's airport is the second largest in Spain, as well. Barcelona was known for its manufacturing industry, and that is st...