Lockerbie is a town located near Dumfries in Scotland. It is the largest settlement in Dumfries and Galloway and has a population of around 5, 000 people. The town is known for its historical buildings, including the ruins of an old castle, and its proximity to the River Annan. It is also home to the Lockerbie Air Disaster Memorial, which commemorates the victims of the 1988 bombing of Pan Am Flight 103.