Capital

Tokyo

Continent

Asia

Flag adopted

1999

Designer

Not individually credited

Japan

Colors and meaning

• White #FFFFFF

  Honesty and purity

• Red #BC002D

  Sincerity, passion and the sun itself

Symbolism and history

A single red disc, the Hinomaru or "circle of the sun", centers a plain white field, a design used in various forms since the 7th century and given precise legal proportions only in 1999.

Closest-looking flags

• 

  Bangladesh

  Its single centered disc on a plain field is echoed structurally, though not in color or placement, by Bangladesh's flag.

Further reading: Flag of Japan on Wikipedia