The crossword solution for the term 'Iran Ruined City' is SUSA, a four-letter word. Susa was an ancient city located in what is now southwestern Iran. It was one of the most important cities of the Ancient Near East and was the capital of the Elamite Empire. The city was destroyed by the Assyrians in 646 BC and was later rebuilt by the Achaemenid Empire. Today, the ruins of Susa are a UNESCO World Heritage Site.