List of kings of Greece

The Kingdom of Greece was ruled by the House of Wittelsbach between 1832 and 1862 and by the House of Glücksburg from 1862 to 1924. The monarchy was abolished during the Second Hellenic Republic for a short time. The monarchy was soon brought back and ruled from 1935 to 1973, when it was abolished and replaced by the Third Hellenic Republic.

List of kings

House of Wittelsbach

Name Reign	Duration as Monarch	Portrait	Arms	Birth Parentage	Marriage(s) Issue	Death	Succession right	Title
Otto (Ὄθων) 27 May 1832[1][2] – 23 October 1862	30 years, 149 days			1 June 1815 Salzburg, Austria Son of Ludwig I of Bavaria and Therese of Saxe-Hildburghausen	Amalia of Oldenburg 22 December 1836 no children	26 July 1867 Bamberg, Bavaria aged 52	• Chosen by the Great Powers	King of Greece (Βασιλεὺς τῆς Ἑλλάδος)

House of Schleswig-Holstein-Sonderburg-Glücksburg

Name Reign	Duration as Monarch	Portrait	Arms	Birth Parentage	Marriage(s) Issue	Death	Succession right	Title
George I (Γεώργιος Αʹ) 30 March 1863 – 18 March 1913	49 years, 353 days			24 December 1845 Copenhagen, Denmark Son of Christian IX of Denmark and Louise of Hesse	Olga Constantinovna of Russia 27 October 1867 8 children	18 March 1913 Thessaloniki, Ottoman Empire[3] aged 67	• Seventh cousin once removed through William the Younger, Duke of Brunswick-Lüneburg. Elected King of the Greeks.	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
Constantine I (Κωνσταντῖνος Αʹ) 18 March 1913 – 11 June 1917	4 years, 85 days			2 August 1868 Athens, Kingdom of Greece Son of George I of Greece and Olga Constantinovna of Russia	Sophia of Prussia 27 October 1889 6 children	11 January 1923 Palermo, Kingdom of Italy aged 54	• Son of George I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
Alexander (Ἀλέξανδρος) 11 June 1917 – 25 October 1920	3 years, 136 days			1 August 1893 Athens, Kingdom of Greece Son of Constantine I of Greece and Sophia of Prussia	Aspasia Manos 17 November 1919 1 child[4]	25 October 1920 Athens, Kingdom of Greece aged 27	• Son of Constantine I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
Constantine I (Κωνσταντῖνος Αʹ) 19 December 1920 – 27 September 1922	1 year, 282 days			2 August 1868 Athens, Kingdom of Greece Son of George I of Greece and Olga Constantinovna of Russia	Sophia of Prussia 27 October 1889 6 children	11 January 1923 Palermo, Kingdom of Italy aged 54	• Son of George I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
George II (Γεώργιος Βʹ) 27 September 1922 – 5 March 1924	1 year, 160 days			19 July 1890 Athens, Kingdom of Greece Son of Constantine I of Greece and Sophia of Prussia	Elisabeth of Romania 27 February 1921 no children	1 April 1947 Athens, Kingdom of Greece aged 56	• Son of Constantine I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)

House of Glücksburg (restored)

Name Reign	Duration as Monarch	Portrait	Arms	Birth Parentage	Marriage(s) Issue	Death	Succession right	Title
George II (Γεώργιος Βʹ) 3 November 1935 – 1 April 1947	11 years, 149 days			19 July 1890 Athens, Kingdom of Greece Son of Constantine I of Greece and Sophia of Prussia	Divorced 6 July 1935	1 April 1947 Athens, Kingdom of Greece aged 56	• Son of Constantine I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
Paul (Παῦλος) 1 April 1947 – 6 March 1964	16 years, 340 days			14 December 1901 Athens, Kingdom of Greece Son of Constantine I of Greece and Sophia of Prussia	Frederica of Hanover 9 January 1938 3 children	6 March 1964 Athens, Kingdom of Greece aged 62	• Son of Constantine I	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)
Constantine II (Κωνσταντῖνος Βʹ) 6 March 1964 – 1 June 1973	9 years, 87 days			2 June 1940 Athens, Kingdom of Greece Son of Paul of Greece and Frederica of Hanover	Anne-Marie of Denmark 18 September 1964 5 children	10 January 2023 Athens, Greece aged 82	• Son of Paul	King of the Hellenes (Βασιλεὺς τῶν Ἑλλήνων)

Notes

1. Protocol signed in 1832 but landed in Greece on 6 February 1833.
2. Dates are in the New Style Gregorian calendar. The Old Style Julian calendar was used in Greece till Alexander's lifetime.
3. At the time of the King's assassination, Thessaloniki was in occupied Ottoman territory. The city was recognized as part of the Kingdom of Greece by the Treaty of Bucharest (1913) five months afterwards.
4. For more information, see this page.