Persian/Farsi is the official language of Iran and two varieties of it known as Dari and Tajik are official languages of Afghanistan and Tajikistan . By learning Persian you will access to communicate to almost 120 million people and you can read and enjoy great literature masterpieces such as SHAHNAMEH, THE DIVAN OF HAFIZ, ROBAIYAT KHAYYAM , DIVANE SHAMS OF RUMI.