Etymology and distribution of 雨夜.

Amaya 【雨夜】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Miyazaki-ken . Miyazaki-ken Saito-shi Birth of Araru. Place name with a record since the North / South morning era. The place name and surname are also written as "Falls". 荒滝 Arataki reference.