word | | Flag description |
| unique | Nepal | red with a blue border around the unique shape of two overlapping right triangles; the smaller, upper triangle bears a white stylized moon and the larger, lower triangle bears a white 12 ... |
| United | American Samoa | ... fly whisk known as a "Fue" (lower; right talon); the combination of symbols broadly mimics that seen on the US Great Seal and reflects the relationship between the United States and American |
| United | Syria | ... green, five-pointed stars in a horizontal line centered in the white band; former flag of the United Arab Republic where the two stars represented the constituent states of Syria and Egypt ... |
| Unity | Equatorial Guinea | ... pointed stars (representing the mainland and five offshore islands) above a gray shield bearing a silk-cotton tree and below which is a scroll with the motto UNIDAD, PAZ, JUSTICIA (Unity, Peace |
| unofficial | Mayotte | unofficial, local flag with the coat of arms of Mayotte centered on a white field, above which the name of the island appears in red capital letters; the main elements of the ... |
| unofficial | Wallis and Futuna | unofficial, local flag has a red field with four white isosceles triangles in the middle, representing the three native kings of the islands and the French administrator; the apexes of the triangles ... |
| unusual | Paraguay | ... horizontal bands of red (top), white, and blue with an emblem centered in the white band; unusual flag in that the emblem is different on each side; the obverse (hoist side at ... |
| UPON | Cayman Islands | ... arms includes a pineapple and turtle above a shield with three stars (representing the three islands) and a scroll at the bottom bearing the motto HE HATH FOUNDED IT UPON THE SEAS |
| upper | American Samoa | ... side is carrying two traditional Samoan symbols of authority, a war club known as a "Fa'alaufa'i" (upper; left talon), and a coconut fiber fly whisk known as a "Fue" (lower ... |
| upper | Anguilla | blue, with the flag of the UK in the upper hoist-side quadrant and the Anguillan coat of arms centered in the outer half of the flag; the coat of arms depicts ... |
| upper | Aruba | blue, with two narrow, horizontal, yellow stripes across the lower portion and a red, four-pointed star outlined in white in the upper hoist-side corner |
| upper | Australia | blue with the flag of the UK in the upper hoist-side quadrant and a large seven-pointed star in the lower hoist-side quadrant known as the Commonwealth or Federation Star ... |
| upper | Bermuda | red, with the flag of the UK in the upper hoist-side quadrant and the Bermudian coat of arms (white and green shield with a red lion holding a scrolled shield showing ... |
| upper | Bhutan | divided diagonally from the lower hoist-side corner; the upper triangle is yellow and the lower triangle is orange; centered along the dividing line is a large black and white dragon facing ... |
| upper | British Indian Ocean Territory | white with six blue wavy horizontal stripes; the flag of the UK is in the upper hoist-side quadrant; the striped section bears a palm tree and yellow crown centered on the ... |
| upper | British Virgin Islands | blue, with the flag of the UK in the upper hoist-side quadrant and the Virgin Islander coat of arms centered in the outer half of the flag; the coat of arms ... |
| upper | Brunei | ... yellow with two diagonal bands of white (top, almost double width) and black starting from the upper hoist side; the national emblem in red is superimposed at the center; the emblem includes ... |
| upper | Burma | red with a blue rectangle in the upper hoist-side corner bearing 14, white, five-pointed stars encircling a cogwheel containing a stalk of rice; the 14 stars represent the seven administrative ... |
| upper | Cayman Islands | blue, with the flag of the UK in the upper hoist-side quadrant and the Caymanian coat of arms centered on the outer half of the flag; the coat of arms includes ... |
| upper | China | red with a large yellow five-pointed star and four smaller yellow five-pointed stars (arranged in a vertical arc toward the middle of the flag) in the upper hoist-side corner |
| upper | Christmas Island | territorial flag; divided diagonally from upper hoist to lower fly; the upper triangle is green with a yellow image of the Golden Bosun Bird superimposed, while the lower triangle is blue with ... |
| upper | Congo, Democratic Republic of the | sky blue field divided diagonally from the lower hoist corner to upper fly corner by a red stripe bordered by two narrow yellow stripes; a yellow, five-pointed star appears in the ... |