Iran in Prophecy

Since the Bible does not mention the term 'Iran,' is Iran mentioned in the Bible? If so, by what name or names is it identified? How might Iranian religious beliefs affect its nation's military actions related to Jerusalem. Are the nuclear negotiations and lifting of sanctions against Iran dangerous? Is Iran the King of the South of Bible prophecy?

Might Petra be the Place of Safety?

The Bible teaches that a portion of the Christians will be protected in a wilderness area during the Great Tribulation. Might this place be Petra in Jordan? Which places do the show can and cannot be the place of safety? Is the idea of Christians fleeing to an area with caves during the reign of the Beast and Antichrist an old one or a modern invention?