Gandhara was an ancient Indo-Aryan civilization centred in present-day north-west Pakistan and north-east Afghanistan. The core of the region of Gandhara was the Peshawar and Swat valleys extending as far east as the Pothohar Plateau in Punjab, though the cultural influence of Greater Gandhara extended westwards into the Kabul valley in Afghanistan, and northwards up to the Karakoram range. The region was a central location for the spread of Buddhism to Central Asia and East Asia with many Chinese Buddhist pilgrims visiting the region.