Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Roga ka Slatina (German: Rohitsch-Sauerbrunn) is a settlement and a municipality in Slovenia. It is famous for its curative mineral water, spa and crystal glass. Roga ka Slatina is a synonym for health resort tourism in Slovenia. For centuries the curative mineral water rich in magnesium (branded as Donat Mg), the picturesque countryside and other local attractions have attracted visitors to the area. Roman inscriptions referring to the spa waters have been found.