ni akoole ninu ISO 3166-2, apa opagun ISO 3166 ti International Organization for Standardization (ISO) tejadesiwe to setumo awon amioro fun oruko awon ipinsabe koko awon orile-ede.ItokasiISO 3166.. 
306-337) decision in 324 to transfer the capital from niComedia (in àsíá Minor) to Byzantium on the Bos: which became Constantinople, “city of Constantine” (Alternatively “New Rome).. 