Dunkin' is a popular American coffee and doughnut chain known for its wide variety of coffee beverages, baked goods, and breakfast items. Founded in 1950 in Quincy, Massachusetts, it has grown to become one of the largest coffee shop franchises in the world, with thousands of locations across the United States and internationally. The menu at Dunkin' features signature items like Dunkin' Donuts, flavored coffees, and breakfast sandwiches. The brand is recognized for its quick service and drive-thru options, making it a convenient choice for customers looking for a fast caffeine fix or a sweet treat on the go.