The largest city in the United States by area is Sitka, located in Alaska. Sitka covers approximately 4,815 square miles (12,461 square kilometers), making it not only the largest city in the U.S. by area but also one of the most unique, with its stunning natural landscapes and diverse wildlife. Sitka was originally a Tlingit village and later became a Russian trading post in the 18th century. The city is known for its rich history, cultural heritage, and a blend of Native Alaskan and Russian influences, attracting visitors interested in outdoor activities, history, and the arts.