Issus is a plain on the coast of the Gulf of İskenderun, in present-day southern Turkey.

Why was the Battle of issus fought?

Using the excuse that he was seeking revenge for the invasion of Greece by Darius I and Xerxes, Alexander crossed the Hellespont into Asia Minor. As he moved southward he defeated the Persian forces at Granicus and Halicarnassus. His next major confrontation would be at Issus in November 333 BCE.

How old was Alexander in the battle of issus?

In 333 BC, as Macedonian forces bivouacked at Gordium in Asia Minor, they were led by a confident, aggressive 23 year-old warrior-king who would become known to history as Alexander the Great.