English: The oldest flag of the Slovak territory. Consists of the double cross in the red field. It is currently a part of the coat of arms of the Nitra city in the Slovakia. The origin of the flag comes from the 13th century, as a part of the Nitra's seal and also from the coin of the Gejza I. who was the prince of the Nitra Principality. The origin of this coin goes back to the times around the year 970. There is a possibility that this may be the flag of this principality.