Iran's religiosity is its most striking cultural feature - it pervades all aspects of life. The national language of Iran is Persian, also known as Farsi, an Indo-European language. The other main regional languages are Azari, Kurdish, Arabic and Lori (spoken by the Lors); and there are dozens of other tongues throughout the 26 provinces, such as Gilaki, Balouchi and Turkmen.Iran's religiosity is its most striking cultural feature - it pervades all aspects of life. The national language of Iran is Persian, also known as Farsi, an Indo-European language. The other main regional languages are Azari, Kurdish, Arabic and Lori (spoken by the Lors); and there are dozens of other tongues throughout the 26 provinces, such as Gilaki, Balouchi and Turkmen.Iran's religiosity is its most striking cultural feature - it pervades all aspects of life. The national language of Iran is Persian, also known as Farsi, an Indo-European language. The other main regional languages are Azari, Kurdish, Arabic and Lori (spoken by the Lors); and there are dozens of other tongues throughout the 26 provinces, such as Gilaki, Balouchi and Turkmen.Iran's religiosity is its most striking cultural feature - it pervades all aspects of life. The national language of Iran is Persian, also known as Farsi, an Indo-European language. The other main regional languages are Azari, Kurdish, Arabic and Lori (spoken by the Lors); and there are dozens of other tongues throughout the 26 provinces, such as Gilaki, Balouchi and Turkmen.Iran's religiosity is its most striking cultural feature - it pervades all aspects of life. The national language of Iran is Persian, also known as Farsi, an Indo-European language. The other main regional languages are Azari, Kurdish, Arabic and Lori (spoken by the Lors); and there are dozens of other tongues throughout the 26 provinces, such as Gilaki, Balouchi and Turkmen.