Garudapurana 1.68.18

1.68.18

Those originating in the snowy mountains are reddish; those from the banks of the Veṇvā are moon-bright;
those in Sauvīra are like a dark lotus or a cloud; those born in Saurāṣṭra are coppery;
those from Kaliṅga are lustrous and pure like gold; those in Kosala shine yellow;
those born in Puṇḍra are dark; and those in the realm of Mataṅga are not intensely yellow.