The Margalla Hills is a hill range of subtropical moist broadleaf forest ecoregion in the Indomalayan realm within the Margalla Hills National Park in the northwestern Punjab region in Pakistan, forming the northern edge of the Islamabad Capital Territory, just south of Haripur District, Khyber Pakhtunkhwa. They are part of the Himalayan foothills on the Himalayan biodiversity hotspot. The Margalla range has an area of 12,605 hectares. It is a range with many valleys and rainforests as well as high mountains.