🇺🇸 Washington, United States

Washington, D.C. is the capital city of the United States. It has a population of approximately 700,000 people. While it is not a major seaport city, it is located on the Potomac River, making it accessible for seafarers. The city is home to various government agencies and international organizations, making it of interest to those in the maritime industry who may have business or diplomatic ties.