The French Grand Prix will return to the Formula One calendar next year, for the first time since 2008, as part of an unprecedented triple-header with Austria and Britain.
The governing International Automobile Federation (FIA), published a 21-race 2018 calendar on Monday with France and Germany's Hockenheim, absent this year, returning while Malaysia drops off.
The race at Le Castellet, inland from Marseille, will be on June 24, avoiding a clash with the Le Mans 24 Hours on June 16-17, followed by Austria on July 1 and Silverstone on July 8.
Formula One has not had three races on successive weekends before, due to logistical reasons.
The season will start in Australia on March 25 with teams then travelling to Shanghai and Bahrain, which will be back-to-back on April 8 and 15, before the Azerbaijan Grand Prix on April 29.
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Russia was the fourth round this year but that race moves away from the May Day holiday weekend to an end of September slot instead.
Spain's Circuit de Barcelona opens the European season on May 13, followed by the showcase Monaco race, before Formula One travels across the Atlantic to Canada on June 10 and then returns to France.
Germany returns on July 22 with a race at Hockenheim, followed by Hungary on the next weekend, with the three week August break maintained after fears it might have to go to accommodate the extra races.
Belgium's Spa-Francorchamps and Italy's Monza are also back-to-back races, in late August and early September, with Singapore - Asia's glittering floodlit night race - a stand-alone on September 16.
Russia and Japan are paired, as are the US Grand Prix in Austin, Texas, and Mexico. The season ends in Abu Dhabi, as usual, on November 25.
