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.. 
Saint Helena, Assion and Tristan Da Cunhaitọkasiàwọn Agbegbe Okere Britani Helena, Ascension ati Tristan Da Cunha.. 