Sistan

Sīstān (Persian/Baloch/Pashto: سیستان), known in ancient times as Sakastan (Persian/Baloch/Pashto: ساكاستان; "the land of the Saka"), is a historical and geographical region in present-day eastern Iran (Sistan and Baluchestan Province), southern Afghanistan (Nimruz, Kandahar, and Zabul Province), and the Nok Kundi region of Balochistan (western Pakistan).