If you can tell us the name of this extraordinary and spectacularly located citadel, you could win a BioLite BaseLantern, worth £110!
Terms and conditions apply, by entering you agree you be subscribed to the Outdoor Photography newsletter (you can unsubscribe at any time).
Entries close 21 June 2017.
Image: Dominik Michalek/Shutterstock.com
The competition is now closed