1stHCGRegionalCommand, based in Piraeus. Its geographical area of responsibility encompasses the regional units of Attica and Corinthia.
2nd HCG Regional Command, based in Kavala. Its geographical area of responsibility encompasses the regional units of Evros, Rodopi, Xanthi, Serres, Kavala, Thasos, Thessaloniki, Chalkidiki, Imathia and Pieria.
3rd HCG Regional Command, based in Igoumenitsa. Its geographical area of responsibility encompasses the regional units of Zakynthos, Cefalonia, Ithaca, Lefkada, Corfu, Arta, Preveza, Aetolia-Akarnania and Thesprotia.
4th HCG Regional Command, based in Volos. Its geographical area of responsibility encompasses the regional units of Larissa, Magnesia, Sporades, Fthiotis, Boeotia and Euboea.
5th HCG Regional Command, based in Patras. Its geographical area of responsibility encompasses the regional units of Aetolia-Akarnania, Achaia, Ileia, Argolis, Arcadia, Laconia, Messinia, Fokis, and Boeotia.
6th HCG Regional Command, based in Syros. Its geographical area of responsibility encompasses the regional units of Andros, Kea, Kythnos, Milos, Thira, Tinos, Mykonos, Syros, Paros and Naxos.
7th HCG Regional Command, based in Heraklion. Its geographical area of responsibility encompasses the regional units of Chania, Rethymno, Heraklion and Lasithi.
8th HCG Regional Command, based in Rhodes. Its geographical area of responsibility encompasses the regional units of Rhodes, Karpathos, Kalymnos and Kos.
9thHCGRegionalCommand, based in Mytilene. Its geographical area of responsibility encompasses the regional units of Lesbos, Lemnos, Chios, Samos and Ikaria.
