A Tocharian oasis kingdom on the eastern Tarim Basin silk road, known to Chinese sources from the 2nd century BCE, abandoned around 330 CE when the Tarim River shifted course and the oasis lost its water supply.
Abandoned around 330 CE as the Tarim rivers shifted and the desert advanced, leaving Loulan a ruin.
Places Loulan/Kroraina among the Tarim Basin's early historical oasis kingdoms.