2. Visegrad CitadelVisegrad Visegrád is a small castle town in Pest County, Hungary. It is north of Budapest on the right bank of the Danube in the Danube Bend. It had a population of 1,864 in 2010. Visegrád is famous for the remains of the Early Renaissance summer palace of King Matthias Corvinus of Hungary and the medieval citadel. From Wikipedia, the free encyclopedia.