Submitted names are contributed by users of this website. The accuracy of these name definitions cannot be guaranteed.
OʻAHU (Island) HawaiianMeaning unknown. Legend says that a Polynesian navigator who discovered the Hawaiian islands named it after his daughter. This is the third largest and most populated island in
Hawaii. The state capital
Honolulu is located on this island.
OAKLAND (Settlement) EnglishThis is name of places in the United States and Canada (including the one in California)....
[more] OBAN (Settlement) ScottishAn t-Òban in Scottish Gaelic meaning ''The Little Bay''.
OCEANIA (Region) EnglishA geographic region in the southern hemisphere consisting of several nations, including
Australia and
New Zealand. The name is ultimately derived from Greek ὠκεανός (
ōkeanós) ”ocean”.
ODENSE (Settlement) DanishFrom Old Norse
Óðinn's vé meaning "Odin's sanctuary". This is the 3rd largest city in Denmark and the birthplace of Hans Christian Andersen (1805-1875), the author of fairy tales such as 'The Little Mermaid' (1837), and 'The Snow Queen' (1844).
OENOTRIA (Region) HistoryLatinized form of Greek Οἰνωτρία
(Oinotria), the name applied to southern Italy by Greek colonists when they arrived to the region in around the 8th century BC. It is possibly a derivative of Greek οἶνος
(oinos) meaning "wine" (perhaps via the related word οἴνωτρον
(oinotron), which referred to a kind of vine stake) and may mean "wine land" or "land of vineyards"...
[more] OHIO (Political Subdivision) English (American)Name of a state in the United States, originally used of the river, from Seneca
ohi:yo "good river".
OKLAHOMA (Political Subdivision) English (American)Name of a state in the United States, from Choctaw
okla "people" "tribe" "nation" +
homma "red".
OMAN (Country) English, CroatianThe name of the Country in the Middle East. Oman, a nation on the Arabian Peninsula, has terrain encompassing desert, riverbed oases and long coastlines on the Persian (Arabian) Gulf, Arabian Sea and Gulf of Oman...
[more] ØPPLAND (Political Subdivision) NorwegianFrom the Old Norse
upp meaning "up, upper" and
lǫnd meaning "lands." The inner regions of Norway were called
Upplǫnd in Norse times....
[more] ORAN (Settlement) EnglishDerived from Berber
hr meaning "lion", believed to be bestowed to the city when lions were spotted in 900 BC. Oran is a port city in northwest
Algeria and the second largest city after
Algiers.
ORCADIA (Island) Medieval, Ancient Celtic (Latinized)A medieval name for the Orkney Islands, the famous archipelago of the northwest coast of Scotland. It comes from the Roman name
Orcades which was probably derived from Celtic *
forko- "young pig"...
[more] ÖREBRO (Settlement) SwedishCombination of Swedish
ör, an archaic word meaning "gravel", and
bro "bridge. ...
[more] OREGON (Political Subdivision) English (American)Name of a state in the United States, from the name of a large river in the west of North America, possibly from Algonquin
wauregan "beautiful".
ORLANDO (Political Subdivision) EnglishName of a city in
Florida, named in honor of Orlando Reeves who died in 1835 during a supposed attack by Seminoles in the Second Seminole War.
OSLO (Settlement) NorwegianMeaning uncertain. It was originally the name of a farm in Bjørvika, a neighborhood in present-day Oslo.
ØSTFOLD (Political Subdivision) NorwegianFrom the old name of the Olsofjord
fold and the Norwegian word
øst. The name means, "the region east of the fold."...
[more] OTTAWA (Settlement) AlgonquinCanada's capital. From the Algonquin word
adawe meaning "trade".
OULU (Settlement) FinnishFrom the name of the Oulu River (Finnish: Oulujoki). Oulu is probably taken directly from the Finnish dialectal word
oulu meaning "flood water". Oulu is a city in Northern Finland.