RO is the abbreviation for Romania, the 81st largest country in the world. Romania is a country located in Balkans, bordering 5 countries – Bulgaria, Hungary, Moldova, Serbia, and Ukraine. Bucharest is the capital city of Romania. Major cities include Bucharest (population: 1,877,144), Iasi (population: 318,001), Cluj-Napoca (population: 316,737), Timișoara (population: 315,042), Craiova (population: 304,131), Constanța (population: 303,388), Galati (population: 294,076), Brasov (populat...
