International Conference on
Clinical & Experimental Ophthalmology

Barcelona is a city on the shoreline of northeastern Spain. It is the capital and biggest city of sovereign network of Catalonia, as well as the second most crowded district of Spain. With a populace of 1.6 million inside city confines, its urban region stretches out to various neighboring regions inside the Province of Barcelona and is home to around 4.8 million individuals, making it the 6th most crowded urban region in the European Union after Paris, London, Madrid, the Ruhr territory and Milan. It is perhaps the biggest city on the Mediterranean Sea, situated on the coast between the mouths of the rivers Llobregat and Besòs, and limited toward the west by the Serra de Collserola mountain run, which has  the tallest peak of 512 meters (1,680 feet) high.

Barcelona has a rich social legacy and is today a significant social focus and a significant tourist goal. Especially famous are the structural works of Antoni Gaudí and Lluís Domènech I Montaner, which have been assigned UNESCO World Heritage Sites. The central command of the Union for the Mediterranean are situated in Barcelona. The city is known for facilitating the 1992 Summer Olympics just as world-class meetings and compositions and furthermore numerous global game competitions.

Barcelona is one of the world's leading tourist, economic, trade fair and cultural centres, and its influence in commerce, education, entertainment, sports, media, fashion, science, and the arts all contribute to its status as one of the major global cities.

In 2009 the city was positioned Europe's third and one of the world's best as a city brand. Around the same time the city was positioned Europe's fourth best city for business and quickest improving European city, with development improved by 17% every year, and the city has been encountering solid and renewed growth for the past three years.