This is the 11657th most frequent Spanish word.
fronterizas
Border-related.
The word 'fronterizas' describes cities located near or on the borders separating countries or regions.
Las ciudades fronterizas suelen tener una mezcla cultural única.
The border cities often have a unique cultural blend.
Here, 'fronterizas' qualifies 'áreas', referring to regions close to international or provincial borders.
Se establecieron políticas estrictas en las áreas fronterizas.
Strict policies were established in border areas.
In this context, 'fronterizas' modifies 'relaciones', relating to interactions or connections concerning borders.