Etymology and distribution of 阪.

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
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「阪」さんの名字の分布比率。

カンマ区切りで複数の名字を指定できます。

Etymology of 阪

Distribution of 阪
Ranking
1 Mie-ken(0.0374%)
2 Wakayama-ken(0.00548%)
3 Kyouto-fu(0.00366%)
4 Oosaka-fu(0.00305%)
5 Fukui-ken(0.00239%)
6 Aichi-ken(0.00208%)
7 Saitama-ken(0.00184%)
8 Nara-ken(0.00178%)
9 Shiga-ken(0.0013%)
10 Yamagata-ken(0.00124%)
11 Hyougo-ken(0.00123%)
12 Hokkaidou(0.00119%)
13 Toukyou-to(0.00109%)
14 Gifu-ken(0.000943%)
15 Nagasaki-ken(0.000773%)
16 Chiba-ken(0.000706%)
17 Kanagawa-ken(0.000675%)
18 Iwate-ken(0.000571%)
19 Tokushima-ken(0.000468%)
20 Shimane-ken(0.000463%)
21 Okinawa-ken(0.000396%)
22 Miyazaki-ken(0.000339%)
23 Ooita-ken(0.000322%)
24 Ehime-ken(0.000246%)
25 Kumamoto-ken(0.000228%)
26 Gunma-ken(0.000203%)
27 Nagano-ken(0.000164%)
28 Niigata-ken(0.000161%)
29 Ibaraki-ken(0.000142%)
30 Shizuoka-ken(0.000111%)
31 Fukuoka-ken(Very rare)