This is the 4675th most frequent Turkish word.
bölgelerdeki
"Regions' in" or "in the regions."
Here, "bölgelerdeki" is used to specify the location context (in the regions) of the resources.
Ekip bölgelerdeki kaynakları incelemekte.
The team is examining the resources in the regions.
"Bölgelerdeki" refers to the location of the developments (in the regions) in this sentence.
Bölgelerdeki gelişmeleri takip ediyoruz.
We are following the developments in the regions.
In this case, "bölgelerdeki" describes where the infrastructure is located (in the regions).