Barcelona contains the administrative territorial entity Sarrià-Sant Gervasi
Ciutat Vella
Eixample
Sants-Montjuïc
Les Corts
Sarrià-Sant Gervasi
Gràcia
Horta-Guinardó
Nou Barris
Sant Andreu
Sant MartíThe districts are based mostly on historical divisions, and several are former towns annexed by the city of Barcelona in the 18th and 19th centuries that still maintain their own distinct character. Each district has its own council led by a city councillor. The composition of each district council depends on the number of votes each political party had in that district, so a district can be led by a councillor from a different party than the executive council.
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