Etymology and distribution of 相坂.

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!

「相坂」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 相坂

Distribution of 相坂
Ranking
1 Aomori-ken(About 700)
2 Hokkaidou(About 300)
3 Wakayama-ken(About 140)
4 Hyougo-ken(About 130)
5 Saitama-ken(About 100)
6 Oosaka-fu(About 90)
7 Kyouto-fu(About 80)
8 Toukyou-to(About 70)
9 Kanagawa-ken(About 70)
9 Hiroshima-ken(About 70)
11 Chiba-ken(About 60)
12 Aichi-ken(About 60)
13 Shiga-ken(About 40)
14 Fukuoka-ken(About 30)
14 Kumamoto-ken(About 30)
16 Ishikawa-ken(About 30)
16 Okayama-ken(About 30)
18 Ehime-ken(About 30)
18 Shimane-ken(About 30)
20 Niigata-ken(About 20)
20 Miyagi-ken(About 20)
22 Shizuoka-ken(About 20)
22 Ibaraki-ken(About 20)
22 Tokushima-ken(About 20)
22 Iwate-ken(About 20)
22 Yamaguchi-ken(About 20)
27 Kagawa-ken(About 10)
27 Fukushima-ken(About 10)
29 Kouchi-ken(About 10)
29 Nagasaki-ken(About 10)
29 Yamanashi-ken(About 10)
29 Nara-ken(About 10)
29 Ooita-ken(About 10)
29 Mie-ken(About 10)
35 Kagoshima-ken(Very rare)
35 Tochigi-ken(Very rare)
35 Gifu-ken(Very rare)
35 Saga-ken(Very rare)