I. History and national flags
II.Religion and national flags
III.national flags and geography
Flags have been used from long ago as symbols of a nation and its people. Different cultures are reflected on the national flags by different colors and designs. By comparing the national flags between Asia and Europe, this paper attempts to discuss the relationship between national flags and culture, and it is analyzed in 3 different aspects, which are national flags and history, national flags and religion, national flags and geography.