Kohistan, also transliterated Kuhistan, Kuhiston (Persian: کوہستان‎‎ 'mountainous land'), is the northern district of Kapisa province. The district is famous for its sweet mulberries, grapes, apricots and pomegranates. Yearly, thousands of visitors spend their weekends in picnic place called sayaad along the Panjshir river that flows into Sourubi lake. The population was 100,200 (2006), mainly Persian speaking Tajik.