prefecture
blue
border
borderline
chart
chubu
chugoku
colorful
design elements
division
graphic elements
green
hokkaido
hokuriku
illustration
island of japan
islands
japan
japan map
kanto
kyushu
line
main land
map
map of japan
name of prefecture
okinawa
orange
pink
purple
red
region
regional borderline
regional division
shikoku
simple
variation
white
white background
yellow