Area 1 : Dobong-gu, Gangbuk-gu, Seongbuk-gu, Nowon-gu.
The designated area 1 consists of these specific regions: Dobong-gu, Gangbuk-gu, Seongbuk-gu, and Nowon-gu.

This sentence derives meaning from context by specifying that "Area 1" is a designated or official region, which aligns with the original intent but uses different wording to convey the same idea.