Iberian settlement of Carpetania in pre-Roman Hispania. The carpetanos occupied, roughly, the provinces of Madrid, Toledo, part of Cuenca and Guadalajara and limiting to the North with the vaccaei, on the West by the vetones, the oretani South and East with the olcades and celtiberians. According to many researchers, Arriaca be located northeast of Carpetania, in the current Guadalajara, although there is no absolutely conclusive data and the name would derive from the Basque harri ( 41 stone; and it would mean River or road of stones, ( by the river Henares ) as well as the Arabic name of Guadalajara which would mean, but with certain arguments, river running between stones. 40 Guadalajara; 41 Mexico; It was founded by Nuño Beltrán de Guzmán, one of the most nefarious and bloodthirsty, conquerors natural 40 Guadalajara; 41 Spain;. Both cities are twinned since 1982.
