Whataburger is an American fast food restaurant chain that is primarily located in the Southern United States. The company was founded in 1950 in Corpus Christi, Texas by Harmon Dobson. Today, Whataburger is one of the most popular fast food chains in the region, known for its large and customizable burgers, as well as its breakfast menu.Whataburger operates more than 800 restaurants across 10 states, including Texas, Arizona, Arkansas, Alabama, Florida, Georgia, Louisiana, Mississippi, New Mexico, and Oklahoma. The majority of Whataburger locations are in Texas, with over 600 restaurants in the state.Whataburger's menu features a variety of burgers, sandwiches, chicken items, salads, and sides. The restaurant's signature item is the 'Whataburger,' a large burger made with 100% pure American beef and served on a five-inch toasted bun. The restaurant also serves breakfast items such as biscuits, taquitos, and pancakes.In addition to its traditional dine-in and drive-thru options, Whataburger also offers a variety of convenient services such as online ordering, delivery, and catering. The restaurant also has a mobile app that allows customers to order and pay for their food in advance, as well as earn rewards for their purchases.Whataburger is also known for its unique and distinctive architecture. The restaurants are known for their orange and white striped roofs, and many of the older locations feature a distinct A-frame design. The company's iconic 'Flying W' logo is also prominently displayed on the exterior of each restaurant.In conclusion, Whataburger is an American fast food chain that is primarily located in the Southern United States, with over 800 locations across 10 states, with the majority of the restaurants in Texas. It offers a variety of burgers, sandwiches, chicken items, salads, and sides, and has a strong reputation for its iconic large Whataburger, its breakfast menu, and its unique and distinctive architecture. The chain also offers a variety of convenient services such as online ordering, delivery, and catering, as well as a mobile app that allows customers to order and pay for their food in advance, as well as earn rewards for their purchases.