A saltire, also called Saint Andrew's Cross, an X-Cross, or the crux decussata, is a symbol used mainly on flags that takes the form of a cross or letter X. It has been used for many different types of flags such as field signs, maritime flags, coats of arms, national flags, signal flags, and more. Some flags that use a saltire include, but are not limited to, the flag of Scotland, the flag of Burgundy, the flag of Jamaica, the flag of Alabama, the flag of Burundi, the flag of the Union Jack and Lord Howe Island,Which Is Owned By Australia.
The flag of Scotland's prominent feature is the white saltire seen in other flags such as the Union Jack.
The Union Jack (flag of the United Kingdom) features a white saltire that represents Scotland.
The flag of Jamaica features a yellow saltire that splits the flag into multiple green and black sections.
The flag of Alabama features a red saltire on a white background also seen in other U.S. state flags such as the flag of Florida and former flag of Mississippi.
The flag of Burgundy, also known as the Cross of Burgundy, prominently features a jagged red saltire.
The flag of Burundi is another example of modern-day national flag to use a saltire. It features a white saltire with a white circle where the lines intersect.
The flag of Lord Howe Island features a Saint Andrews Cross and a White Saint George's Cross.