Urawa

… [Arai Toshiro]
[Urawa-juku]
A post station in Musashi Province on the Nakasendo road. It was also written as Urawa in the old days. It is located on the Omiya Plateau on the east bank of the Arakawa River in the southeastern part of the prefecture, and the name is said to come from the beach, but it is unclear.

*Some of the terminology that mentions "Uraha" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…【新井 寿郎】
［浦和宿］
　中山道武蔵国の宿駅。古くは浦羽とも書く。県南東部荒川東岸の大宮台地に位置し，地名は海浜に由来するというが不詳。…

※「浦羽」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報