Országaiban
Országaiban is a Hungarian word that translates to "in its countries" or "in their countries". It is the plural locative case of the word "ország", which means "country" or "nation". This grammatical form indicates a location within multiple countries or within a country that possesses multiple regions or territories.
The usage of "országaiban" is specific to Hungarian grammar. It is formed by taking the possessive suffix
For example, one might say "Az Európai Unió országaiban fejlett infrastruktúra található" which translates to "Developed