Tehran is the capital of Iran. Iran's full official name is the Islamic Republic of Iran.
Iran, although, it used to be called Persia, but the name was changed by Reza Shah
islamic republic of Pakistan
Iran
Persians; or, especially after 1979, Iranians. (The country's name today is Islamic Republic of Iran.)
Islamic revolution
Officially known now as the Islamic Republic of Afghanistan, the area was not always known by this name. Originally, Afghanistan's name was Khorasan, although the area's boundaries were not quite the same.
Republic of Iran
Islamic Republic of Mauritania
Its Islamic Republic of Pakistan.
Islamic Republic of Afghanistan.
The Islamic Republic of Afghanistan.