2. Greece
With ancient roads and cliff trails as well as the well-organized system of a mountain, Greek islands and the Greece itself is a hiker’s paradise. The popular options include Meteora trail, Mt. Olympus trail and Mt. Athos trail. If you want to trail on the Greek islands then White Mountains trail on Crete, Corfu trail on Corfu and the cliff hike from Imerovigli to Oia in Santorini are highly recommended.