Present-day Persia is the modern-day country of IRAN. It is located in the Middle East and is bordered by Iraq, Turkey, Armenia, Azerbaijan, Turkmenistan, Afghanistan, and Pakistan. IRAN is a predominantly Shia Muslim country and has a population of over 81 million people. It is an Islamic republic and its official language is Persian. The capital of IRAN is Tehran and it is the second-largest country in the Middle East.