An urban area is the region surrounding and including a city.

市区是指城市周围并包括城市在内的区域。

youdao

Previously our mountain area [region] is poor and impoverised.

先前咱们山区很穷。

《新英汉大辞典》

The road mainly passes through in the mountainous area, the desert region, and the levigation ditch area.

此道路主要经过山区，沙漠地区和水磨沟区。

youdao

One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04

And looking at the changes in the Arab area and the Arab region, it would be a very good signal indeed if it came out that talks between the parties are again possible.

WHITEHOUSE: President Obama and Chancellor Merkel Press Conference

Petersburg and the energy-rich Khanty-Mansi Autonomous area (Yugra), Tyumen Region and Yamalo-Nenets Autonomous Area have together they have 30 Million people and have a gdp per capita fo 31, 000 dollars in 2011 (i calculated my self).

FORBES: Is Russia Exporting People?

Most of the time ecosystem services and natural capital are specific to a particular area, country or region, and that is the level where they ought to be supported.

ECONOMIST: Convention on Biological Diversity