Note: World's oldest continuously used national flag (Dannebrog)
Sweden
Colors: Blue, Yellow/Gold
Adopted: 1906 (design from 16th century)
Design: Yellow Nordic cross on blue background
Note: Blue represents sky and lakes, yellow from national coat of arms
Norway
Colors: Red, White, Blue
Adopted: 1821 (official 1899)
Design: Blue Nordic cross with white border on red background
Note: Combines Danish and Swedish flag colors
Finland
Colors: Blue, White
Adopted: 1918
Design: Blue Nordic cross on white background
Note: Blue represents lakes and sky, white represents snow
Iceland
Colors: Blue, White, Red
Adopted: 1915 (official 1944)
Design: Red Nordic cross with white border on blue background
Note: Reverse colors of Norwegian flag
Common Features
Nordic Cross: All flags feature the distinctive off-center cross design (vertical arm shifted toward the hoist side)
Christian Heritage: The cross symbolizes Christianity and shared Nordic heritage
Danish Inspiration: The Dannebrog (Danish flag) is the oldest and served as the template for all other Nordic flags
Scandinavia vs Nordic: Scandinavia traditionally refers to Denmark, Norway, and Sweden. Finland and Iceland are Nordic countries that share the cross flag design