the castle ruin Kaja is north to the locality indicator village a little apart of the border river a Thaya because of the Kajabach in the forest quarter, however Hollabrunn belongs in the wine quarter to the district. It lies in the national park Thayatal.
1360 sold NIC-read the castle at duke Rudolf IV. from Kaja., but already 1376 go the castle as pledge to the counts von Maidburg Hardegg. At this time II., the chancellor of emperor Karl IV. dies on the Kaja count Burkhard.
End 14. Century conquer Johann and Heinrich of Leipa the celebrations Kaja. They made a robbery knight castle from their conquest and spread in the surrounding villages fear and fright.
In the year 1425 the Eyczinger for faithful services receives the castle and seems thereby for the first time in Lower Austria up. (The temporal succession of conquest and delivery of the castle is unclear.)
the yard in Vienna supports Ulrich of Eyczing in the reconstruction of the castle, which is strongly fastened.
At the beginning 16. Century shift they their domicile after lock Niederfladnitz, which likewise to the rule Kaja belonged.
1546 died Erasmus I. Baron von Eyczing on the castle Kaja.
In the year 1569 castle and rule Kaja go just like the rule Niederfladnitz over a daughter of the Eyczinger to the family Trautson.
Neighbouring castles and locks are the castle Hardegg, lock Karl desire with Niederfladnitz and the lock Niederfladnitz as well as in the Czech Republic of the ruin Neuhäusl Nový Hrádek in the Narodny park Podyji.
Coordinates: 48° 49 ' 40 " N, 15° 53 ' 24 " O