Not being a very touristy place, this village lies on the slopes of the Nisyros mountain. You can observe the sea and the caldera from here.
More information at Nisyrosinfo.com http://www.nisyrosinfo.com/en/nisyros/nisyros-villages/nikia
Address (Unnamed Road), Νικιά 85303, Greece
Coordinates 36°34'26.803" N 27°10'39.814" E