Has Romania changed its name during history?

Yes, Romania has changed its name during its history. Throughout history, the name Romania has been used intermittently to refer to the entire territory inhabited by Romanians. The name Dacia was used in ancient times by the Romans to refer to the region that is now Romania, and it was later used by other nations as well. The name Wallachia was used in the Middle Ages to refer to the region that is now southern Romania, and it was later used to refer to the entire territory inhabited by Romanians. The name Moldavia was used in the Middle Ages to refer to the region that is now eastern Romania, and it was later used to refer to the entire territory inhabited by Romanians. The name Transylvania was used in the Middle Ages to refer to the region that is now western Romania, and it was later used to refer to the entire territory inhabited by Romanians. In 1859, Wallachia and Moldavia united to form the United Principalities of Moldavia and Wallachia, which in 1866 was renamed Romania. The name Romania has been used officially ever since.