| Flag | Country | Notes | Details |
|---|---|---|---|
![]() | Switzerland | Square red field, white cross | A square red field bearing a bold white cross whose arms are one-sixth longer than they are wide. One of only two square national flags in the world (alongside Vatican City), the Swiss flag dates to the Battle of Laupen in 1339, where confederate troops wore a white cross on a red surcoat. It became the official federal flag in 1848. The flag uses no colour beyond red and white. |
![]() | Denmark | Red field, white Nordic cross (Dannebrog) | A red field bearing a white Nordic cross, with the vertical bar offset toward the hoist. Known as the Dannebrog ('Danish cloth'), it is the oldest continuously used national flag in the world, with documented use since the 14th century and legendary origin at the Battle of Lyndanisse in 1219. The design influenced every other Nordic flag and uses only red and white. |
![]() | Georgia | White field, red cross, four red bolnisi crosses | A white field divided into four quadrants by a large red cross, with a smaller red bolnisi cross (a traditional Georgian symbol) in each quadrant. The flag uses only red and white throughout. Revived from medieval iconography and adopted as Georgia's official flag in 2004, it is called the 'Five Cross Flag' and has roots in the medieval Kingdom of Georgia. |
![]() | Japan | White field, red disc (Hinomaru) | A plain white field bearing a red disc positioned fractionally toward the hoist to appear optically centred when the flag is flying. Known as the Hinomaru ('circle of the sun'), the design dates to at least the feudal period and was formalised as the national flag in 1999 under the Law Concerning the National Flag and Anthem. The flag uses only crimson-red and white. |
![]() | Latvia | Tricolour: dark carmine-red, white, dark carmine-red | Two wide bands of dark carmine-red separated by a narrow white band in proportions 2:1:2. Latvia's distinctive dark red is one of the most recognisable shades in vexillology. According to legend, the design originated in the 13th century when a wounded Latvian chieftain was carried on a white sheet, leaving a red stain in the centre. Adopted in 1918 and restored in 1990 after Soviet occupation. |
![]() | Singapore | Red over white, white crescent & five stars | Two equal horizontal bands of red (top) and white, with a white crescent and five white stars on the red band at the hoist. Adopted in 1959 upon self-governance, the red represents universal brotherhood and equality, white represents purity, the crescent symbolises a rising nation, and the five stars stand for democracy, peace, progress, justice, and equality. The flag uses only red and white. |
![]() | Poland | Horizontal bicolour: white over red | Two equal horizontal bands of white (top) and red โ the civil flag. The colours derive from the Polish coat of arms: a white eagle on a red field, used since the 13th century, officially codified in 1831. The state flag adds the white eagle on the white band, but the eagle's gold beak and talons introduce a third colour โ so only the plain civil bicolour qualifies here. |
![]() | Austria | Horizontal tricolour: red, white, red | Three equal horizontal bands of red (top), white, and red. One of the oldest tricolours still in use, dating to the 12th century. Legend credits Duke Leopold V of Babenberg after the Battle of Acre in 1191 โ his white surcoat was entirely soaked in blood except where his sword belt had been. The civil flag is plain red-white-red; the state flag adds a coat of arms with additional colours. |
![]() | Canada | Red field, white square, red maple leaf | Two red vertical bands flanking a white square bearing a stylised 11-point red maple leaf. Adopted on 15 February 1965 after the contentious 'Great Canadian Flag Debate', it replaced the Canadian Red Ensign. The maple leaf has symbolised Canada since the 18th century; red and white were confirmed as Canada's official colours by King George V in 1921. The flag uses only red and white. |
![]() | Turkey | Red field, white crescent & star | A red field bearing a white crescent moon and five-pointed white star slightly offset toward the fly. The palette is exclusively red and white. The current design dates to 1844 under the Ottoman Empire and was retained by the Turkish Republic after 1923. The crescent and star are widely associated with Islam and Turkic history, though the exact origin of the symbol predates the Ottoman era. |
![]() | Bahrain | White & red with serrated (zigzag) dividing line | A white band at the hoist and a red field, separated by a serrated line of five white triangles pointing into the red โ representing the five pillars of Islam. The palette is exclusively red and white. The number of serrations was fixed at five in 2002 (previously it varied between 8 and 28). Red has traditionally been the colour of Persian Gulf 'Trucial' state flags since the 19th century. |
![]() | Tunisia | Red field, white disc, red crescent & star | A red field bearing a white disc at the centre, inside which appears a red crescent and five-pointed red star. The palette is exclusively red and white. Adopted in its current form in 1835 under the Husainid Beys of Tunis โ more than a century before independence in 1956. The crescent and star are symbols of Islam and the Ottoman legacy in the region. |
![]() | TongaToo small for 110m map | Red field, white canton, red cross | A red field with a white rectangular canton in the upper-hoist corner bearing a red Greek cross. Adopted in 1875 under King George Tupou I, the cross reflects the Christian faith of the nation. Tonga's constitution permanently enshrines this design, making it one of the most legally protected national flags in the world. The palette is exclusively red and white. |
![]() | MaltaToo small for 110m map | Vertical bicolour: white & red, George Cross | Two equal vertical bands of white (hoist) and red, with a representation of the George Cross โ awarded to Malta by King George VI in 1942 for collective wartime bravery โ edged in red on the upper-hoist of the white band. The cross is rendered in silver and red, keeping the palette within red and white. Adopted upon independence in 1964. |
![]() | Indonesia | Horizontal bicolour: red over white (Sang Saka Merah Putih) | Two equal horizontal bands of red (top) and white. Known as the Sang Saka Merah Putih ('Sacred Red and White'), this design descends from the flag of the Majapahit Empire (13thโ15th centuries) and was unfurled on 17 August 1945 at independence. Visually identical to Monaco's flag โ the distinction lies only in proportions (Indonesia 2:3, Monaco 4:5). |
![]() | MonacoToo small for 110m map | Horizontal bicolour: red over white | Two equal horizontal bands of red (top) and white. Visually identical to the Indonesian flag but with slightly different proportions (4:5). Monaco's colours derive from the coat of arms of the House of Grimaldi, which has ruled the principality since 1297, and were adopted in their current bicolour form in 1881. The flag uses only red and white. |
Notable exclusions & edge cases โ why they don't straightforwardly qualify: