The US Embassy to Luxembourg is sponsoring a geocache hunt in Luxembourg City, with a prize offered to those who find the hidden treasure.

The scavenger hunt starts on July 3 and runs until July 8 during which time a treasure will be hidden somewhere in the capital.

Participants will be able to track down the location of the prize by following the GPS coordinates found at on the embassy website, Facebook or Twitter pages.

Anyone taking part in the hunt is urged to share photos with the embassy via email, Facebook or Twitter.