This is the 2269th most frequent Russian word.
зонах
The word "зонах" is the prepositional plural form of "зона," meaning "zones" or "areas" (used in contexts referring to locations).
The word 'зонах' is in the dative plural case, used here to specify areas of certain types that the sentence describes.
Эта информация касается зон отдыха, в том числе и в туристических зонах.
This information concerns rest areas, including tourist zones.
Here, 'зонах' is in the prepositional plural case, used to indicate the location where caution is needed.
В опасных зонах необходимо быть особенно осторожным.
In hazardous zones, one needs to be particularly cautious.
Again, 'зонах' is in the prepositional plural case, conveying the idea of areas where a condition applies.