Capital: Byzantion
De jure title liege: Thessalonika
De facto title liege: Byzantine Empire
De jure vassals: Claimants:
De jure title liege: Thessalonika
De facto title liege: Byzantine Empire
De jure vassals: Claimants:
Title History
- 0330-01-01:Constantine Inherited
- 0337-05-22:Constantine Inherited
- 0340-04-01:Constans Inherited
- 0350-02-01:Constantius Inherited
- 0361-11-03:Julian Inherited
- 0363-06-26:Jovian Inherited
- 0364-02-17:Valentinian Inherited
- 0364-03-28:Valens Inherited
- 0378-08-09:Gratian Inherited
- 0379-01-19:Theodosius Inherited
- 0395-01-17:Arcadius Inherited
- 0408-05-01:Honorius Inherited
- 0421-02-08:Constantius Inherited
- 0421-09-02:Theodosius Inherited
- 0450-07-28:Pulcheria Inherited
- 0450-08-25:Marcian Inherited
- 0457-01-27:Leon Inherited
- 0474-01-18:Leon Inherited
- 0474-11-17:Zenon Inherited
- 0475-01-09:Basiliskos Inherited
- 0476-08-15:Zenon Inherited
- 0491-04-09:Anastasios Inherited
- 0518-07-09:Justin Inherited
- 0527-08-01:Justinian Inherited
- 0565-11-14:Ioustinos Inherited
- 0578-10-05:Tiberios Inherited
- 0582-08-14:Maurikios Inherited
- 0602-11-27:Phokas Inherited
- 0610-10-05:Herakleios Inherited
- 0641-02-11:Konstantinos Inherited
- 0641-04-20:Herakleonas Inherited
- 0641-10-01:Konstas Inherited
- 0668-07-15:Konstantinos Inherited
- 0685-09-14:Ioustinianos Inherited
- 0695-11-01:Leontios Inherited
- 0698-11-01:Tiberios Inherited
- 0705-08-21:Ioustinianos Inherited
- 0711-11-24:Philippikos Inherited
- 0713-06-03:Anastasios Inherited
- 0715-11-01:Theodosios Inherited
- 0717-03-25:Leon Inherited
- 0741-06-18:Konstantinos Inherited
- 0742-07-01:Artavasdos Inherited
- 0743-11-02:Konstantinos Inherited
- 0775-09-14:Leon Inherited
- 0780-09-08:Konstantinos Inherited
- 0797-08-15:Eirene Inherited
- 0802-10-31:Nikephoros Inherited
- 0811-07-26:Stavrakios Inherited
- 0811-10-02:Michael Inherited
- 0813-07-11:Leon Inherited
- 0820-12-27:Michael Inherited
- 0829-10-02:Theophilos Inherited
- 0842-01-20:Michael Inherited
- 0866-09-24:Basileios Inherited
- 0892-09-29:Leon Inherited
- 0930-05-13:Alexios abdication
- 0957-03-04:Leon Inherited
- 0962-07-03:Eugenios abdication
- 1009-08-30:Leon Inherited
- 1034-06-30:Christophoros Inherited
- 1045-02-26:Iordanes Inherited
- 1052-02-25:Theodoulos Inherited