Barcelona

Barcelona is a city of straight lines and salt air. Behind it stand the Collserola hills, in front of it four kilometres of beach, and between them lies Ildefons Cerdà's grid: octagonal blocks, cut corners, streets that run downhill until they end in a slice of sea. People still give directions in mar and muntanya rather than north and south. Inside the grid sits the older city, a knot of Roman wall and medieval alleys, and above both rise the stone inventions of the Modernistes. Gaudí is the headline, but the city's own clock is what to plan around: vermouth before lunch, a long flat stretch through the afternoon, and streets that refill around seven and stay full late.

Barcelona began as Barcino, a walled Roman colony laid out under Augustus on a low rise; pieces of that wall still stand inside the old city. Visigoths held it, then Muslim governors, until Frankish armies took it in 801 and it became a border county of their empire. Dynastic union with Aragon in 1137 made it one of the Mediterranean's great trading ports, with shipyards and its own code of maritime law. Atlantic routes drew that trade away, and after a siege ended the War of the Spanish Succession here in 1714 the city stayed small for a century. Cotton, steam and the peninsula's first railway brought it back. The medieval walls came down from 1854 and Cerdà's grid was approved in 1859; a Catalan literary revival fed the architecture that followed, Modernisme, shown off at the world's fairs of 1888 and 1929. Under Franco the public use of Catalan was restricted, and the 1992 Olympics opened the industrial waterfront and gave the city its beaches. Catalan and Spanish now run side by side on the same street, and the whole sequence — Roman wall, medieval port quarter, nineteenth-century grid, open sea — fits inside one afternoon of walking.

Three days covers the old city, the Modernista houses and a first afternoon by the water. Five reaches Montjuïc's museums and Gràcia's squares. Seven is what the outer hills, Pedralbes and Poblenou actually need. A Barça match day rearranges any of that: the club has been back at the rebuilt Spotify Camp Nou since November 2025, with the upper tier and roof still going up.