Vishnupurana 4.10.p3

4.10.p3

Having thus made up his mind Yayati returned the youth to Puru and took up his own decrepitude. He then made his youngest son the sovereign and went to Tapovana (the wood of penance). He appointed as viceroys—Turvasu of the south-east districts, Druhya of the west, Yadu of the south and Anu of the north—and made Puru the supreme monarch of the earth.