The Puget Sound region is located in the northwestern United States, primarily in the state of Washington. It encompasses a complex system of interconnected marine waterways and islands, including the Puget Sound itself, which is an estuary of the Salish Sea. Major cities in the region include Seattle, Tacoma, and Bellevue, known for their vibrant culture and economy. The region is characterized by its stunning natural beauty, featuring mountains, forests, and waterfronts. It is home to diverse ecosystems and wildlife, making it a popular destination for outdoor activities such as hiking, boating, and whale watching. The Olympic National Park and Mount Rainier National Park are notable attractions nearby.