Ḥulwān (English spelling) Hulwan

Japanese: Ḥulwān（英語表記）Hulwan

…capital of the Arab Republic of Egypt. Population 6.85 million (1994). In Arabic, it is called al-Qāhira, meaning "the victorious one." It was also called Miṣr al-Qāhira or simply Miṣr. Miṣr also means "military city" or "Egypt."
[Location and scenery]
It is located at the pivotal point where the long, narrow Nile River valley fanns out into the delta, and before modern times it was transported by water through the Nile, but from the mid-19th century onwards it was connected to the rest of the country by rail and road networks, and it has always been the political, economic and cultural centre of Egypt.

From Helwan

…A city in northern Egypt, south of Cairo. Also called Ḥulwān. Population 328,000 (1991). …

*Some of the glossaries that mention "Ḥulwān" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…エジプト･アラブ共和国の首都。人口685万(1994)。アラビア語ではカーヒラal‐Qāhiraで，〈勝利者〉の意。ミスル･アルカーヒラMiṣr al‐Qāhiraあるいは単にミスルMiṣrともよばれた。ミスルは〈軍営都市〉もしくは〈エジプト〉をも意味する。
［位置と景観］
　細長いナイル川の谷がデルタへ扇形にひろがろうとするかなめの位置にあり，近代以前はナイル川の水運により，19世紀中葉以降になるとここを中心として国内各地とつながる鉄道網や道路網をも加えて，つねにエジプト全土の政治･経済･文化の中心であった。…