Iraq is a country in Western Asia that borders Iran to the west. It has a long and complex history of relations with Iran, involving wars, trade, and cultural influences.
Turkey is a country that straddles Western Asia and Southeast Europe. It borders Iran to the northwest, along the Zagros Mountains. Turkey and Iran have been rivals and allies throughout history, and have cooperated on various issues such as security, energy, and trade.
Azerbaijan is a country in the South Caucasus region of Western Asia. It borders Iran to the north, along the Aras River. Azerbaijan and Iran have close ethnic, linguistic, and cultural ties, as well as disputes over territorial and religious issues.
Armenia is a country in the South Caucasus region of Western Asia. It borders Iran to the east, along the Aras River. Armenia and Iran have maintained friendly relations, despite Armenia's alignment with Russia and Iran's rivalry with Turkey.
Turkmenistan is a country in Central Asia that borders Iran to the north, along the Caspian Sea. Turkmenistan and Iran have shared historical and cultural ties, as well as cooperation on energy and transportation projects.