Antvorskov (near Slagelse, Sjælland), was one of Frederick's favourite hunting-castles. He later died at Antvorskov. In 1567, King Frederick II founded Fredrikstad in Norway. Frederik II Upper Secondary School in Fredrikstad, one of the largest schools of its kind in Norway, is named after Frederick.Fredrikstad museum He also rebuilt Kronborg in Elsinore from a medieval fortress into a magnificent Renaissance castle, between 1574 and 1585. In 1560 Frederick converted the North Sealand farm Hillerødsholm into a great Renaissance castle, Frederiksborg. In 1561, Frederik II developed and fortified Skanderborg Castle with materials from Øm Abbey.
Antvorskov (near Slagelse, Sjælland), was one of Frederick's favourite hunting-castles. He later died at Antvorskov. In 1567, King Frederick II founded Fredrikstad in Norway. Frederik II Upper Secondary School in Fredrikstad, one of the largest schools of its kind in Norway, is named after Frederick.Fredrikstad museum He also rebuilt Kronborg in Elsinore from a medieval fortress into a magnificent Renaissance castle, between 1574 and 1585. In 1560 Frederick converted the North Sealand farm Hillerødsholm into a great Renaissance castle, Frederiksborg In 1561, Frederik II developed and fortified Skanderborg Castle with materials from Øm Abbey.