Slovakia/Hodrusa-Hamre (Hodruša-Hámre)/main valley. The lower Hodrusa mine plant is one of the two compact mine plants in Stiavnicke Hills which have historical buildings, shafts, adits, water trench, and preparing plant etc. It is a national technical monument, inscribed in UNESCO world heritage list in 'Technical monuments of historical town Banska Stiavnica and its vincinity'.