Maryland is a state located in the Mid-Atlantic region of the United States. It is bordered by Virginia, West Virginia, Pennsylvania, Delaware, and the District of Columbia. The state has a diverse economy, with industries such as biotechnology, aerospace, and defense playing a significant role. Maryland is also home to several prestigious universities, including Johns Hopkins University and the University of Maryland. The state's largest city is Baltimore, which is known for its historic neighborhoods, museums, and sports teams. Maryland is also known for its seafood, particularly its blue crabs, and its scenic coastline along the Chesapeake Bay.