Iran has an area of . It lies between latitudes 24° and 40° N, and longitudes 44° and 64° E. It is bordered to the northwest by Armenia (), the Azeri exclave of Nakhchivan (), and the Republic of 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 Iraq () and Turkey ().