A Chinese tourist with no known friends or family in Australia has been missing for nearly a month.

Ling Yaping, 45, who had recently arrived in Australia for holidays, was last seen at her tour group hotel on December 23.

Chinese tourist Ling Yaping has been missing since December 23.

Her belongings were left behind in the Melbourne hotel room.

Police called for public assistance on January 6 to help find her, but she remains missing.