What if a no cities put forth a bid to host the Olympics.

Would the previous host have it again or would it simply not be held?

Google did not yield results.

I doubt that provisions for such an occurrence exist, because it's not going to happen.

I think instead they would pick a random city, or request hosting of the city.

The world is gonna make sure the Olympics isn't postponed(don't know if it ever has).

The Olympics have been cancelled three times.

1916

1940

1944

Put it back where it came from Greece/Italy

The Nemean Games are ripe for a comeback if that happens.

I don't foresee it happening anytime in the near future and if it does I'll assume they just wouldn't have it.