Iran and Syria border Iraq on opposite sides.
Iran . It is bordered to the northwest by Armenia , the de facto Republic of Artsakh and Azerbaijan ; to the north by the Caspian Sea ; to the northeast by Turkmenistan ; to the east by Afghanistan and Pakistan ; to the south by the Persian Gulf and the Gulf of Oman ; and to the west by Turkey and Iraq . Iraq ( [ ɪˈræk ] , [ ɪˈrɑːk ] , or [ aɪˈræk ] العراق ; عێراق ) , officially known as the Republic of Iraq is a country in Western Asia , bordered by Turkey to the north , Iran to the east , Kuwait to the southeast , Saudi Arabia to the south , Jordan to the southwest , and Syria to the west .