Thua Thien Hue has pretty clear hierarchical structure.
- Mountain terrain stretches from Viet-Laos border to Danang city and accounts for 1/4 area.
- Midland terrain accounts for 1/2 area. Its average height is less than 500m.
- Local delta is a typical delta which has sand dunes and lagoon. Delta area accounts for about 1,400 km2.