Grand Prix cancelled in Canada for the second year in a row due to coronavirus restrictions, officials say.
Australia was given a new date of November 21 for what would normally be the season-opener in Melbourne.
Mercedes driver Lewis Hamilton wins 7th Formula One championship to equal Michael Schumacher's record, with three races of season remaining.
The 22-year-old Racing Point driver's shock result on the slippery surface ended a run of 14 successive poles for dominant champions Mercedes dating back to last year's Abu Dhabi Grand Prix.
Turkey’s most populated city will host the Formula 1 race at Intercity Istanbul Park between November 13-15, 2020.
F1 chairperson Chase Carey announced that Saudi Arabia will become the 33rd country to host a round of the Formula 1 world championship in 2021.
Hamilton beat Mercedes teammate Valtteri Bottas by 5.7 seconds to clinch a record-extending seventh straight constructors' title.
Turkey's Istanbul Park circuit will host a race on November 15 ahead of a Bahrain double in late November and early December, the sporting body has said.
The race is the ninth to be affected by the virus, with the March 15 season-opening Australian Grand Prix cancelled along with May's showcase Monaco Grand Prix.
Valtteri Bottas roared to victory in the Japanese Grand Prix on Sunday as Mercedes clinched the Formula One constructors' championship for the sixth year in a row.
Daniel Ricciardo won a chaotic Azerbaijan Grand Prix after Formula One championship leader Sebastian Vettel finished fourth when he was penalised for swerving into rival Lewis Hamilton.
The sale of Formula One to Liberty Media could be completed as early as Tuesday after CEO Bernie Ecclestone agreed on a price.
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