Edinburgh is the capital city of Scotland and has been since 1437. It is located on the eastern coast along the Firth of Forth. The Old Town grew around Edinburgh Castle and still retains historic character, while the New Town was developed in the 18th century with a grid street pattern. Edinburgh is famous for its university, which has educated notable people in fields like medicine and engineering. It also hosts an annual international arts festival and has many historic buildings and sites. Tourism is a large part of the economy in modern Edinburgh.