File:Flag of Austria (state).svg - Wikipedia

File:Flag of the Kingdom of Illyria.svg - Wikipedia

File:Flag of Burgenland (state).svg - Simple English Wikipedia, the free encyclopedia

Category:Flags, Constructed Worlds Wiki

File:Flag of Portugal.svg - Wikibooks, open books for an open world

I know it's a common trope but here's my unique take on Federal Austria-Hungary : r/imaginarymaps

File:Habsburg Groß-Admiral's Flag (1853).svg - Wikipedia

File:Niederösterreich CoA (shield).svg - Wikimedia Commons

Austria-Hungary didn't have a national flag. These are the flags of the Austrian Empire and the Kingdom of Hungary. : r/vexillology

File:Flag of Croatia (1945–1947).svg - Wikimedia Commons in 2023

File:Presidential Standard of Austria (-1984).svg - Wikimedia Commons

Category:Austria, Alternative History

File:Flag of Alsace (old).svg - Wikipedia

File:Russian Flag vertical version.svg - Wikipedia, russia flag