Stuck on this crossword? Discover the country north of the Persian Gulf!

A country in Western Asia
Borders Iraq and Afghanistan
Official language is Persian
Has a population of over 82 million
Has a predominantly Shia Muslim population
Has a theocratic government system
Known for its historic landmarks such as Persepolis and the Borobudur Temple
Famous for its carpets and rugs
Hosted the 2018 FIFA World Cup