Odessa(Settlement)Russian From the name of the ancient Greek city of Odessos (which was located at a different site). This is the name of a Ukrainian city that sits on the north coast of the Black Sea.
Odessos(Settlement)Ancient Greek Meaning uncertain. This was the name of an ancient Greek city located on the west coast of the Black Sea, at the site of present-day Varna, Bulgaria.
Oirschot(Settlement)Dutch Possibly from Dutch oeros meaning "aurochs" and schoot meaning "projection (of land)". This is the name of a town in the province of Noord-Brabant in the Netherlands.
Olanda(Political Subdivision & Country)Italian Italian form of Holland 1, referring to the provinces and sometimes the entire country.
Orléans(Settlement)French French form of Aurelianum, the name of a city in central France. The city in Louisiana, La Nouvelle-Orléans or New Orleans, was named after Philippe II, the Duke of Orléans.
Orleans(Settlement)English English form of Orléans. This is the name of several towns in the Americas, notably the city of New Orleans in Louisiana.
Oz 1(Region)Literature Invented by the American author L. Frank Baum for the setting of his fantasy novel The Wonderful Wizard of Oz (1900). There are several unsubstantiated theories about how Baum created the name, though it seems probable he simply made it up.