Iran , also known as Persia officially the Islamic Republic of Iran,is a sovereign state in Western Asia.With over 81 million inhabitants,Iran is the world's 18th-most-populous country.Comprising a land area of 1,648,195 km2 (636,372 sq mi), it is the second-largest country in the Middle East and the 17th-largest in the world.

The country's rich cultural legacy is reflected in part by its 22 UNESCO World Heritage Sites, the third-largest number in Asia and eleventh-largest in the world.Iran is a multicultural country comprising numerous ethnic and linguistic groups, the largest being Persians (61%), Azeris (16%), Kurds (10%), and Lurs (6%).

The National Anthem of the Islamic Republic of Iran called "Payandeh Bada Iran"