The teenage girl was last seen in Hellange at around 7.50am on 30 May and it is suspected that she could be in the area of Bous/Stadtbredimus.
Wampach is of slim build, has long brown hair and brown eyes and was last seen carrying a backpack.
All information is to be forwarded to the police station in Dudelange, either by calling (+352) 244 69 1000 or by writing an e-mail topolice.dudelange@police.etat.lu
