# How does Barcelona change from one neighbourhood to the next?

Compare the population of Barcelona’s 73 official neighbourhoods and find projects about the city’s architecture, history and life.

https://mariuscomper.uk/en/barcelona/

- [The church Gaudí hung from the ceiling](https://mariuscomper.uk/biserica-atarnata/en/): Gaudí designed the Colònia Güell church upside down, from string and sacks of shot. Hang the weights, turn the model over and walk into the crypt that gravity drew. In Romanian, English, Spanish and Catalan.
- [Montjuïc stone: which Barcelona buildings used it](https://mariuscomper.uk/montjuic/en/): The Roman wall, the Cathedral and Gaudí's houses used sandstone from Montjuïc, the hill by the port. The LiDAR relief in 3D, a Roman quarry possibly older than Barcino and, building by building, how the link is known. Under the microscope, two of six Roman carvings "in Montjuïc stone" were another rock. In Romanian, English, Spanish and Catalan.
- [The wall that kept its wounds](https://mariuscomper.uk/zidul-de-la-sant-felip-neri/en/): In Barcelona's quietest square, a church wall is full of small holes: shrapnel from 30 January 1938. You touch each scar and the morning comes back, minute by minute — down to the name the regime tried to give it. In Romanian, English, Spanish and Catalan.
- [The hand at the top](https://mariuscomper.uk/turnul-de-oameni/en/): A human tower stands in the square, at La Mercè in Barcelona. You climb it by scrolling, crown it by raising your hand — like the enxaneta — then come down and lend your shoulders to the base, to the pinya. In Romanian, English, Spanish and Catalan.
- [Eixample, Barcelona: what was built in Cerdà's courtyards, block by block](https://mariuscomper.uk/jardinele-lui-cerda/en/): In 1859 Cerdà drew blocks built along their edges with open middles. Spain's cadastre, building by building: across 470 blocks, 73.8% of the ground is built at street level and only 54.7% from the first floor up. The Eixample in three dimensions, cut at any floor, and the rules that roofed the courtyards, from 1859 to today.
- [He hid a number that would not fit](https://mariuscomper.uk/meridianul-care-a-facut-metrul/en/): The metre came out of a 1,075-kilometre line measured tower by tower between Dunkirk and Barcelona, through the years of war and the Terror. At the southern end Pierre Méchain read the latitude from two places less than two kilometres apart and got two different answers. Follow the chain of 96 stations, drawn from Delambre's own printed table.
- [Barcelona’s 2028 Airbnb question](https://mariuscomper.uk/barcelona-airbnb-2028/en/): Barcelona plans to end its current HUT licences in 2028. This guide examines the housing conversion, event capacity, law, evidence and the case for both regulated Airbnb and phase-out.
- [Marina 155 — a Door in the Eixample](https://marina155.mariuscomper.uk/en/): The history of one Barcelona address connects the Anaïs Napoleon gardens, the Cerdà plan, Fort Pienc and a pioneering photographer.
- [Barcelona, Neighbourhood by Neighbourhood](https://barcelonabarri.mariuscomper.uk/en/): A living atlas of Barcelona's 73 official neighbourhoods, with maps, profiles, comparisons, stories and routes through the city's layers.
- [Festa Major Granollers: from a brick wager to a civic grammar](https://mariuscomper.uk/festa-major-granollers/en/): How Granollers turned a brickmakers’ wager into a participatory Festa Major, and how other Catalan towns adapted the form.

## Sources

- [Ajuntament de Barcelona · Unitats administratives de la ciutat](https://opendata-ajuntament.barcelona.cat/data/dataset/20170706-districtes-barris)
- [Ajuntament de Barcelona · Població per barri](https://opendata-ajuntament.barcelona.cat/data/dataset/16c11ddf-a783-4b64-aa68-3dc83dc70379)
- [Atlasul cartierelor Barcelonei](https://barcelonabarri.mariuscomper.uk/)