Helga Kostka has written:

'Wildbach' -- subject(s): Buildings, structures, Castles, Schloss Wildbach (Deutschlandsberg, Austria)

Motte and bailey castles, Stone keep castles and Concentric castles

Luxury in Austria can be different according to what you are looking for. But Vienna, its capital city can be a perfect spot to have a taste of what luxury is in Austria. Sitting in the heart of the Alps, the city can take you to various man-made and natural wonders such as skiing destinations, dynastic castles, lavish opera houses and cabarets as well as modern buildings.

Stone castles, Concentric castles, Motte and Bailey Castles

the first kind of castles were moat and bailey castles.