This is the 3757th most frequent Chinese word.
边区
"边区" means "border region" or "border area."
'边区' here refers to a specific administrative or geographical region located on the borders of provinces in historical or revolutionary contexts.
中国历史中,陕甘宁边区是一个重要的革命根据地。
In China's history, the Shaanxi-Gansu-Ningxia Border Region was an important revolutionary base.
'边区' in this sentence implies a general border area between two provinces or regions.
这个地区位于湖北和河南的边区,经济条件相对一般。
This area is located on the border region between Hubei and Henan, with relatively average economic conditions.
Here, '边区' emphasizes a cultural or sociological study focus on regions near borders.