Flag of Ostrozava

Ostrozava

Use	National and State flag; typically representative of the Ostrozavan government
Proportion	2:5
Adopted	14 November 1958
Variant flag of Ostrozava
Use	civil flag and ensign; typically representative of the Ostrozavan people or nonpolitical identity.
Proportion	2:3
Adopted	In use for centures; adopted officially in 1964.
Variant flag of Ostrozava
Use	naval jack
Proportion	2:3
Adopted	Adopted for the Ostrozavan Coastal Force in 2021.

The flag of Ostrozava (Ostrozavan: Vlajka Ostrozavy), also commonly referred to as the Čerčinka (lit. Ostrozavan: the Black Stripes) is the national flag of the Prime Republic of Ostrozava. It consists of a horizontal tricolor of black, white, and black bands, with a crimson isosceles triangle based on the hoist side. Inside the triangle are the stars of the Prime Pact, representing the nine subprime governments of Ostrozava, in gold.

National flags

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  Flag of the Grand Duchy of Ostrozava during the Ostrozavan Wars of Expansion. Oldest known Ostrozavan Flag, first recorded in 1251.
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  Flag of the Grand Duchy of Ostrozava, under the Valek dynasty. In use from just before the War of Succession in 1321 to the fall of the Valeks in 1501, with several revisions and variying designs.
• 

  Flag of the Grand Duchy of Ostrozava under the Fabrian Váskory dynasty. In use from 1500 - 1629.
• 

  Flag of the Grand Duchy of Ostrozava under the Belododia dynasty. In use from 1629 - 1724.
• 

  Flag of the Grand Duchy of Ostrozava, under the Vykopal dynasty. In use from 1724 - 1811 with minor modifications.
• 

  Final flag of the Vykopal dynasty. In use from 1811 to 1909. Unlike old flag, includes Vykopal family crest.
• 

  Revolutionary Flag of the First Worker's Congress. Flag of Ostrozava throughout the early days of the Prime Republic, until 1931
• 

  Flag of Ostrozava from 1931 until 1957; considered the flag of the 2nd Party Compact, the flag is now often associated with the Primarship of Alec Dalibor, and authoritarian socialism.
• 

  Flag of the Prime Republic of Ostrozava, drawn by Docetic Livalian Minister, Paul Lupu. Current form in use from 1958 onwards.