Iran
There is no country that separates Iraq and Iran.
Iraq and Iran were parts of Persia
Iran is east of Iraq.Iran
Iran is due east of Iraq.
The country of Iran is larger.
There is no such country. Iran and Iraq share a border along the Zagros Mountains.
Iraq is further west than Iran
Iraq.
Iraq and Turkey are west of Iran.
Iran invaded no country in 1990. Iraq invaded Kuwait in this year, but Iran and Iraq are two entirely different countries.
Iraq is primarily Arab with some minorities like Kurds and Yazidi in the north. Iran is a multi-ethnic country made up primarily of Persians, but also Dari, Pashto, and Balochs in the East and Kurds, Azeri, Circassians, and Arabs in the West. Persians consider themselves to be Caucasians, not Arabs.