On Yuan Chwang's Travels in India, 629–645 A.D. v1.c8.s1.36

v1.c8.s1.36

was above 90 000 li in circuit, with the Snowy Mountains (the Hindu Kush) on the north and the sea on its three other sides. It was politically divided into above seventy kingdoms; the heat of summer was very great, and the land was to a large extent marshy. The northern region was hilly with a brackish soil;