The Circuit de Catalunya, home of the Spanish Grand Prix, hosts the fifth race weekend of the 2014 Formula One season.
Since replacing Jerez as the venue for the Spanish round of the calendar in 1991, the track has grown to play an influential role in F1, acting as a testing circuit as well as a grand prix venue.
Nico Rosberg will enter the weekend nursing a four-point lead over Mercedes teammate Lewis Hamilton, who completed the first hat-trick of his F1 career at last month's Chinese Grand Prix in Shanghai.
Although the season has been dominated by the Silver Arrows drivers thus far, the Spanish Grand Prix—the first European event of the season—offers a chance for Mercedes' rivals to catch up with the introduction of potentially season-defining car updates.
As the weekend approaches, here are 10 facts on the characteristics and history of the Circuit de Catalunya.