
Where the grid meets the Mediterranean
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. You come for Gaudí. You leave remembering the vermouth at midday, and the light on the walls at seven.
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, the War of the Spanish Succession ended in the city with a siege in 1714, and Barcelona 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. Factories drew migration from across Spain, and under Franco the public use of Catalan was restricted. The 1992 Olympics opened the industrial waterfront and gave the city its beaches. Barcelona today is dense and walkable in a way few cities its size manage: Roman wall, medieval port quarter, nineteenth-century grid and open sea, all within one afternoon of each other.
Three days covers the old city, the grid's Modernista houses and a first afternoon by the water; five lets you slow down for Gràcia's squares, Montjuïc's museums and a long lunch that runs past four.
The intangible side — what you remember after
If you do nothing else, do these — in order
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Inland, the serrated rock of Montserrat rises above the Llobregat valley; north are the coves of the Costa Brava and Girona's stone streets, west the vineyards of Penedès and Priorat.
The practical side
Late spring and early autumn are the best weeks: warm, bright, cool enough to walk all day. August is humid and heavy, and many neighbourhood places close. Winter is mild and half empty. The sea is swimmable from late June into October.
Catalan and Spanish both live here; bon dia or buenos días goes further than opening in English. Lunch starts around two, dinner at nine or later. Tipping is small. Away from the sand, cover up: walking the centre in swimwear is frowned on.
Barcelona is comfortable to walk at any hour; its one real drawback is pickpocketing, practised here with patience. La Rambla, the metro, the beach and the crowd outside the Sagrada Família are where it happens. Bag in front, phone off the café table.
The euro, and cards work nearly everywhere — a tap pays for a coffee. Carry small notes anyway for market stalls, the granissat cart and the oldest bodegas, where the till is a drawer and the bill is chalked on the wooden counter.