Country Names: O
Ocean Island
[Coded [gn] (Gilbert and Ellice Islands) before Oct. 1978]
USE Kiribati
Oe-Cussi
[Coded [pt] (Portuguese Timor) before Jan. 1978]
USE Timor-Leste
Oeno Atoll
USE Pitcairn Island
Ohio [ohu] Authorities & Vocabularies
Okinawa
[Coded [ry] (Ryukyu Islands, Southern) before Jan. 1978]
USE Japan
Oklahoma [oku] Authorities & Vocabularies
Oman [mk] Authorities & Vocabularies
UF Kuria Muria Islands
Muscat and Oman
Oman, Trucial
Ontario [onc] Authorities & Vocabularies
Oregon [oru] Authorities & Vocabularies
Orkney Islands
[Coded [uik] (United Kingdom Misc. Islands) before April 2018]
USE Scotland
Oroluk Atoll
USE Micronesia (Federated States)
Orona Atoll
[Coded [gn] (Gilbert and Ellice Islands) before Oct. 1978]
USE Kiribati
Otu Tolu
USE Tonga
Outer Mongolia
USE Mongolia
See also: