noun
Greater Tokyo Metropolitan Area
Refers specifically to the Tokyo metropolitan region, including surrounding prefectures such as Saitama, Chiba, and Kanagawa. Common in news, government, and real estate contexts.
首都圏の人口は増え続けている。
The population of the Greater Tokyo Metropolitan Area continues to grow.
首都圏の鉄道網は非常
The railway network in the Tokyo metropolitan area is highly developed.
noun
metropolitan area (of a capital)
General term for the metropolitan area surrounding any capital city. When used without qualification, it often implies Tokyo, but can refer to other capitals in context.
ロンドンの首都圏は広範囲に及ぶ。
The London metropolitan area covers a wide area.
各国の首都圏では交通渋滞が深刻だ。
Traffic congestion is serious in the metropolitan areas of each country.