- Seattle is located in the Pacific Northwest region of the United States.
- It is situated on the Puget Sound, an inlet of the Pacific Ocean.
- To the west of Seattle is the Olympic Peninsula, to the east are the Cascade Mountains, and to the south is the Puget Sound lowland.
- Seattle is approximately 15 miles (24 kilometers) south of the Canadian border.
- It is also located about 100 miles (160 kilometers) northwest of Portland, Oregon.