Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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秋田県 横手市 醍醐町尻の名字

About 40 【斎藤】7
About 20 【平塚】6
About 10 【亀井沢】2