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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京都府 京都市上京区 今小路七本松西入下東今小路町の名字

Very rare 【上田】7
Very rare 【新武】3
Very rare 【井上】7