This is the 6755th most frequent Korean word.
이란의
"Of Iran" or "Iran's."
"이란의" functions as a possessive to relate the noun 'history' to Iran, signifying Iran's history.
이란의 역사에 대해 공부하고 있습니다.
I am studying the history of Iran.
"이란의" in this sentence is used as a possessive descriptor indicating something related to Iran, specifically its culture.
이란의 문화는 매우 다양합니다.
The culture of Iran is very diverse.
"이란의" is here used as a possessive form describing traditional music originating in Iran.