The 0 kilometer stone is the point of reference from which the distances to the different cities are determined from the city of Budapest.
The statue on which the sign points is located in Buda in Adam Clark Square (immediately after the Chain Bridge) and was erected in 1975 by sculptor Miklós Borsos
See the image of the statue that was taken that day Click for a larger image
On the base of the sculpture, which is decorated in the shape of the numeral 0, the inscription KM appears, and around it are distances of different cities.
In the following photos taken on the same day: NYREREGYHZZA 226km Click for a larger image
and distances from the cities: Veszprém (110 km) Zalaegerszeg (215 km) Szombathely (219 km) Click for a larger image Translation of the text on the sign
Simbolizes the Start of the Main Roads from Budapes.