Dong-gu is home to 2 named mountains. The highest is Gubongsan at 403 m.
There are 2 named mountains in Dong-gu. The highest and the most prominent mountain is Gubongsan.

Yes. Dong-gu has 2 named mountains. The highest is Gubongsan at 403 m.
The highest mountain in Dong-gu is Gubongsan, at 403 m.
Dong-gu has 2 named mountains.
