Nógrád (Hungarian; Latin: comitatus Neogradiensis, German: Neuburg or Neograd, Slovak: Novohrad) was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in southern Slovakia and in northern present-day Hungary. The name Novohrad is still used in Slovakia as an informal designation of the corresponding territory. The name is derived from the former Nógrád (Novohrad) castle in Hungary.