The history of Hertník castle dates from the first half of the 16th century when the Hertnik domain became a property of the Forgac family from Jelenec (Gymes). Baron Simon Forgac received Hertnik in 1553 from Ferdinand I for his military merits in the Turkish wars. The castle was built to the site of older fortications and it was a four-tower duplex building with a rectangle plan. A big courtyard was bounded by walls with gateway. The wall was strengthened by the bastions and wide water moat. In 1563 the castle was finished, but rebuilt already in the first half of the 17th century. In 1679 the castle was fired by soldiers of Imrich Tokoli, but at the end of the 17th century it was repaired again.
Hertník castle served as a centre of dominion for 350 years. Stefan Forgac sold the grange to Fridrich Leopold from Anhalt in 1857. The nobility from Desau came there only once or twice a year for huntings. At the beginning of the 20th century a Polish count Dembinski wanted to buy the castle, but it was sold together with whole Hertnik to the 'Magyar Fold' company in 1906. In 1907 this company sold the Hertnik's woods to the Jewish traders. They hired 150 workers to process the wood that lived in the wood in the shepherd's hut. The fields in the Hertnik's surrounding were gradually bought by people from Hertnik. In 1910 these woods and the castle became a possession of the Hungarian state. In the Second World War the castle was damaged and repaired in 1952. The last reconstruction was made 1960-1970 and the castle gained his today's face.
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.