Phaistos. Crete. Greece. View to the North from the archaeological site of Phaistos of the towering peaks of Mount Ida also known as Psiloritis, the highest mountain in Crete at 2456 metres (8060 feet). The Minoan palatial city of Phaistos or Phaestos was the second most important Minoan palatial city in Crete after Knossos and is situated in central southern Crete in the Iraklio prefecture. Crete is Greece’s largest island and the fifth largest island in the Mediterranean.