4DB website is a Japanese site dedicated to Share website design display site, through the Japanese geographical location to the way to divide the different regions of the industry website collection, this is also the most complete collection of Japanese Internet industry site, want to find a good website design may wish to collect the site.

After registering the website you can see the filter box. You can filter by different regions and types of industries in Japan, currently there are 48 prefectures with 20 different industry categories.