Wikipedia has a pretty good list of Iran proxies recognized as terrorist groups and are engaged in operations.
The countries/regions that they are active in are in parentheses:
Al-Ashtar Brigades (Bahrain)
Asa'ib Ahl al-Haq (Iraq)
Badr Organization (Iraq)
Hamas (Gaza)
Harakat al-Nujaba (Iraq)
Hezbollah (Lebanon)
Houthis (Yemen)
Palestinian Islamic Jihad (Gaza)
Kata'ib Hezbollah (Iraq)
Liwa Fatemiyoun (Syria, Afghanistan)
Saraya al-Mukhtar (Bahrain)
Here is a list of countries/regions where terrorist attacks or foiled attacks linked to the Iranian government have taken place:
Albania
Argentina
Bahrain
Denmark
France
India
Israel
Palestine
Iraq
Kenya
Netherlands
Sweden
Thailand
USA
Venezuela
This does not include al Qaeda attacks where funding or training came from Iran through their proxies, such as the Ryadh bombings.
https://en.wikipedia.org/wiki/Iran_a...ored_terrorism