With impending new circuits in New Jersey and Russia to make debut appearances in upcoming seasons, it is certain that some current tracks will have to make way.
To avoid the sport from breaking at the seams, 20 racing weekends looks to be the likely upper limit. Financial and travel restraints will deter most from taking it further.
But which Grand Prix would you fight to keep if you were in the position to choose?
Which tracks deserve a place year-in-year-out on the calendar?
Which will afford Formula 1 the greatest prospects of appealing to the masses and providing us, the loyal spectators, with continued, intense and scintillating action?
Here are my top seven tracks which should remain a focal point in every campaign.