Boris III of Bulgaria
After the village was ceded to Bulgaria in 1913, following the Balkan Wars, its Greek population moved to Greece and was replaced by Bulgarians from Eastern Thrace. In 1926, Vasiliko had 409 households. After a new wharf was constructed 1927–1937 with the financial aid of Tsar Boris III of Bulgaria, the town was renamed to "Tsarevo" (a literal Bulgarian translation of "Vasiliko", "royal place") in his honour.