George Ducas

George Ducas Gheorghe Duca / Георге Дука
Gheorghe Duca on a mural of the Cetățuia Monastery, holding a model of the building in his hand.
Prince of Moldavia (1st reign)
Reign	11 September 1665 – 21 May 1666
Predecessor	Eustratie Dabija
Successor	Iliaș Alexandru
Prince of Moldavia (2nd reign)
Reign	8 November 1668 – 10 August 1672
Predecessor	Iliaș Alexandru
Successor	Ștefan Petriceicu
Prince of Wallachia
Reign	November/December 1674 – 29 November 1678
Predecessor	Grigore I Ghica
Successor	Șerban Cantacuzino
Prince of Moldavia (3rd reign)
Reign	28 November 1678 – 25 December 1683
Predecessor	Antonie Ruset
Successor	Ștefan Petriceicu
Hetman of Ottoman Ukraine
Reign	11 February 1681 – 25 December 1683
Predecessor	Yurii Khmelnytsky
Successor	Teodor Soulymenko
Born	ca. 1620 Ottoman Albania
Died	31 March 1685 Lviv, (formerly in Poland, now in Ukraine)
Burial	Cetățuia Monastery, Iași
Spouse	Anastasiya Dabizha, then Dafina Doamna
Issue	Constantine Ducas (prince of Moldavia) Matei Maria (engaged to Prince Antioh Cantemir) Catrina (wife of Prince Ștefan Tomșa) Ileana (wife of chronicler Nicolae Costin) Sanda Safta Anastasia
Religion	Orthodox
Signature

Voivode George Ducas (Greek: Γεώργιος Δούκας, Geórgios Doúkas ; Romanian: Gheorghe Duca ; old Romanian: Георге Дука) (c. 1620 – 31 March 1685) was three times prince of Moldavia (1665–1666, 1668–1672, 1678–1684), one time prince of Wallachia (1674–1678) and one time Hetman of Ottoman Ukraine (1681–1683).

He was married to Anastasiya Dabizha, the daughter of Prince Eustratie Dabija, and later to Dafina Doamna; George Ducas fathered Constantine Ducas.