lost-and-found

listen to the pronunciation of lost-and-found
Englisch - Englisch
repository in a public building where lost articles can be kept until their owners reclaim them
a place where things that are lost are kept until someone comes to claim them British Equivalent: lost property
A department, service or location where items that are found can be claimed by their owners

Well, if you can't find your glasses then go to lost and found and ask if anyone turned them in.

Lost and found things are things which someone has lost and which someone else has found. the shelf where they stored lost-and-found articles. the local paper's lost-and-found column
place where lost items are kept until someone claims them
Lost and found is the place where lost property is kept