Region 3: Agios Ioannis - Papadiana - Aradena This region takes in four environmental zones: 1. Coasts; 2. Lower Slopes; 4. Gorges; 5. Middle Slopes, on which the Drakoulaki cave is situated (3.18). It runs from the village of Ag. Ioannis (3.08) to the village of Aradena (3.20) perched on the W edge of the eponymous gorge. Region 3 lies S of the Mavra Gremna, and includes the shore with the tiny church of Ag. Pavlos (3.01). It covers ca 30 sq. km.