Near the Hrádek village, the Hrádek u Nechanic Castle was built between 1839 and 1857 on so-called Lubenský hill. It was built as a prestige summer residence of the county family of Harrach by František Arnošt, the count of Harrach, an important representative of the Jilemnice family line.
http://www.kralovehradecko-info.cz/en/atraktivity/hradek/hradek-u-nechanic.php