Prosečne GPS koordinate za poštanski broj 300-27: 38.638, 21.395

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Spisak gradova:
>> Αγιοσ Κωνσταντινοσ/Agios Konstadinos 300-27, Δυτική Ελλάδα/West Greece, Νομός Αιτωλοακαρνανίας/Aetolia-Acarnania, GPS koordinate: 38.63801, 21.39480