Where is the library hidden?

Getting to a known location might be easier than picking a random cave in SE Turkey. Say for example, Mt. Ararat. You could also have a Biblical clue from Genesis for that. Then the map might be of just the mountain with the symbols hidden to mark the route. No additional borders to cross either.

ANSWER:

40. Great info on State Department Web site on traveling in Turkey. Quite dangerous. Lots of terrorist attacks. Recommends only flying not driving or public transportation. Go out only during day. Southeast and Ararat are the most dangerous areas.