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To what extent does Facebook allow its advertising clients to target users based on location? Down to the level of individual buildings (e.g. a bar)?

Is it possible that Campari could be running a campaign targeting people who recently visited bars that serve Campari? Or even simply people who recently visited a bar?

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This makes the most sense to me. Also something along the lines of "people who visit this place search for the phrase 'campari' so it must be a thing here."

I definitely seem to be served ads based on recent locations.

They can target based on "Behaviours", so, maybe? https://www.facebook.com/business/a/online-sales/ad-targetin...

EDIT: The "Behaviour" targets can even drill down to specific types of alcohol beverages (beer, wine, other). Not sure that means specifically having visited a bar.

if any of your friends liked the wine or visited a site and the vendor had a look-a-like audience selected.

or maybe it uses voice recognition to target users "interests"

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