Region
Area, Zone
noun
The region that is this ground is the region / area. Just think of each area of ground. Each area is each region.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
そのハリケーンの被害は、広い地域におよびました。
A large area was damaged by the hurricane.
人の性格に、地域性ってあると思いますか？
Do you think there are regional differences in people's personalities?
スーパーマンはその地域へ食料と新鮮な水を急送した。
Superman rushed food and fresh water to that region.