Pashto is the native language of the Pashtun people of South-Central Asia. It is one of the two official languages of Afghanistan and is also the second-largest regional language of Pakistan which is mainly spoken in the west and northwest of the country.Pashto is the main language among the Pashtun diaspora around the world.ashto is spoken as a first language by about 15.42% of Pakistan's 170 million people. It is the main language of the Pashtun-majority regions of Khyber Pakhtunkhwa, Federally Administered Tribal Areas and northern Balochistan.