| Emperor of Austria | |
|---|---|
| Kaiser von Österreich Kaiser von Oesterreich Pre-1918 spelling | |
Imperial | |
 | |
 | |
| Details | |
| Style | His Imperial Majesty |
| First monarch | Francis I |
| Last monarch | Charles I |
| Formation | 11 August 1804 |
| Abolition | 11 November 1918 |
| Residence | Hofburg (main residence) Schönbrunn (summer residence) |
| Appointer | Hereditary |
| Pretender(s) | Karl von Habsburg |
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The emperor of Austria (German: Kaiser von Österreich, Latin: Imperator Austriae) was the ruler of the Austrian Empire and later the Austro-Hungarian Empire. The hereditary imperial title and office was proclaimed in 1804 by Francis II, Holy Roman Emperor, a member of the House of Habsburg-Lorraine, and continually held by him and his heirs until Charles I relinquished power in 1918.
The emperors retained the title of Archduke of Austria. The wives of the emperors held the title empress, while other members of the family held the titles of archduke or archduchess.