Lost object in Ostend?
Lost object in Oostende?
You indicate that you have lost or found something.
If you have an lost an object in (the region of) Ostend, you can inquire the local police station. Perhaps your item is already found.
After declaration of loss and showing your ID, you can retake your possession immediately.
Do you have found an object (in this region), then it is your duty to do your best to give it back to the owner. If you know who the owner is, you can do this yourself. Do you not know who the owner is? You report the the item to the local police station.