The Farsi-speaking country is IRAN, which is a four-letter word. IRAN is located in the Middle East and is bordered by Iraq, Turkey, Armenia, Azerbaijan, Turkmenistan, Afghanistan, and Pakistan. It is the 18th largest country in the world and has a population of over 81 million people. The official language of IRAN is Persian, also known as Farsi. IRAN is an Islamic Republic and its government is based on Islamic law.