The Hmeljnik Castle is situated on a stone slope above the village of Karteljevo close to Novo mesto, dominating the views from the valley and from the road Ljubljana - Bregana. The castle was first mentioned in 1217. Its original masters are not known - they were probably the Lords of Višnja gora, possibly also the Lords of Hopfenbach or Hmeljnik whose family line was terminated in the 14th century. The castle has subsequently been owned by the Auerspergs for at least three hundred years; the castle had many masters since the times of the Auerspergs, including the Wamboldts that resided in it until the World War II.
The original Hmeljnik Castle from the late 12th century is a typical vaulted castle with two Roman palazzos and a staircase tower. In the Gothic period, the southwest tower and its east wing as well as the castle chapel of Saint Pancras were added. A double fortress wall with circular towers was built during the times of Turkish attacks, and a Renaissance archway was added, flanking the inner courtyard - this structure was demolished after World War II. The castle was burnt down in 1942 and its remains subsequently detonated. In the late 1950s, the ruins were slowly rebuilt, gaining a new roof structure and static consolidation.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.