Persian, is also known as Farsi when referring to the language. It is the offcial language of the Islamic Republic of Iran. Its variety Dari and Tajik are also the official language of Afghanistan(previously called Dari Persian) and Tajikstan(once called Tajiki Persian).
There are approximately 130 million Persian speakers (including 80 million L1 speakers, Data of 2022) worldwide, including Persians, Tajiks, Hazaras in Afghanistan and etc.
IU offers Persian courses in the Department of Central Euroasian Studies(CEUS). You may also apply for the learning opportunity in summers, via Language Workshop.
CeLT has some Persian Learning material listed below. Some of them are open access, but you need to be part of IU community to request the access to the others.