The Montjuïc circuit is a former street circuit located on the Montjuïc mountain in Barcelona, Catalonia, Spain. It is considered among the best Formula One circuits of all time, with Autosport rating it among its ten best for their 50th anniversary of Formula One issue.^{[citation needed]} The circuit was also the venue for the Spanish motorcycle Grand Prix from 1950 to 1968, and then hosted the event on even-numbered years until 1976. The last Formula One Grand Prix held there in 1975, is notable for both a fatal crash that led to Formula One quitting the venue and the only occasion to date that a female driver has scored World Championship points.

By 1908 international motorsport was conducted at the Circuit Baix Penedès with the Copa Catalunya. In 1923 the first Great automobile Prize of Spain in the permanent Sitges Terramar circuit was run near Barcelona. In 1932 a race was held on a street circuit with the start in the Montjuïc Park, wooded parkland on a hill above the city's harbour. The course of the 1933 east circuit of that race became the Montjuïc Circuit proper, holding the Penya Rhin Grand Prix.

Coordinates: 41°21′51″N 2°09′29″E / 41.36417°N 2.15806°E / 41.36417; 2.15806

Montjuïc (Catalan pronunciation: [muɲʒuˈik], alternatively spelled Montjuich) is a hill located in Barcelona, Catalonia, Spain.

Montjuïc is translated as 'Jew Hill' in medieval Catalan, or is perhaps related to the Latin phrase Mons Jovicus ('hill of Jupiter'). The name is found in several locations in the Catalan Countries: the Catalan cities of Girona and Barcelona both have a Montjuïc, as does the island of Minorca. When written in a Spanish rather than Catalan context it is generally spelled Montjuich (this is old Catalan spelling before the orthographic reforms of Pompeu Fabra).

Barcelona's Montjuïc is a broad shallow hill with a relatively flat top overlooking the harbour, to the southwest of the city centre. The eastern side of the hill is almost a sheer cliff, giving it a commanding view over the city's harbour immediately below. The top of the hill (a height of 184,8 m) was the site of several fortifications, the latest of which (the Castell de Montjuïc) remains today. The fortress largely dates from the 17th century, with 18th century additions. In 1842, the garrison (loyal to the Madrid government) shelled parts of the city. It served as a prison, often holding political prisoners, until the time of General Franco. The castle was also the site of numerous executions. In 1897, an incident popularly known as Els processos de Montjuïc prompted the execution of anarchist supporters, which then led to a severe repression of the workers' struggle for their rights. On different occasions during the Spanish Civil War, both Nationalists and Republicans were executed there, each at the time when the site was held by their opponents. The Catalan nationalist leader Lluís Companys i Jover was also executed there in 1940, having been extradited to the Franco government by the Nazis.