Mainos

Flag of Czechia

Two equal-width horizontal bands and a triangle at the hoist.

Current flag

Flag of Czechia
Flag of Czechia (CZ)
Czechia
Flag emoji 🇨🇿

Czechia

Flag facts

Information about the flag’s design, colours and proportions.

Proportion
2:3 height: width
See other flags with a 2:3 ratio →

Flag design

Two equal-width horizontal bands and a triangle at the hoist.

Layout
Horizontal bands
Number of bands
2
Details
Equal-width bands
Shapes
Triangle – Hoist side
Colours
White, red, and blue
Flags with two horizontal bands →
Sources

The blue hoist triangle on Czechia’s flag

Czechia’s flag combines a white upper half and red lower half with a blue triangle extending from the hoist. The triangle reaches the midpoint of the flag’s length and separates the two horizontal fields at the pole.

The design was adopted for Czechoslovakia in 1920 and retained by Czechia after the federation dissolved. White and red are associated with Bohemian heraldry; the blue triangle made the earlier two-colour layout more distinctive.

Sources

Country facts

Type
Country
Name
Czechia
Continent
Europe
Capital
Prague
ISO 3166-1 alpha-2
CZ
ISO 3166-1 alpha-3
CZE
ISO 3166-1 numeric
203
Top-level domain
.cz
Area
78,866 km²
Population
10,886,878 (2025)
Currency
CZK
Calling code
+420
Czechia on the globe
Czechia on the globe

Czechia on the globe

Historical flags: Czechia (1198–)

Images are ordered by the years listed in the collection. A listed year may not be the flag’s official adoption year.

About historical flags

Vexilla's historical flag collection includes former flags associated with present-day countries and territories, as well as flags of states, empires, and other authorities that historically governed them.

A flag's inclusion in a country's historical collection does not necessarily mean that the country was independent at the time or that the flag was its own national flag.

The years shown are based on historical records in the dataset and do not always indicate the date of official adoption. The collection is not exhaustive, and historical usage, territorial coverage, and interpretations may vary.

Credit: Samhanin CC BY-SA 3.0
Credit: Zirland CC BY-SA 2.5

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