Again, look around. Addresses on buildings are good things, if you're in a building, check the mailing address on a letter you've got nearby, something of the sort.
It's like if you were kidnapped and taken to a secret location. Best clues to how to find where you are are all over. And then just search it on the internet on a map site or sommat. How close to [address downtown] are you? It's a fairly good pub, at least by my standards.