Southampton / saʊθæmptən or saʊθhæmptən / is a city and unitary authority of the south of England and one of the main ports of the United Kingdom. It is located approximately halfway between Portsmouth and Bournemouth, and about 110 km southwest of London. It is the closest city to the New Forest National Park. It is located at the northern end of Southampton Water, at the mouth of the Test and Itchen rivers. Its port is famous for being the starting point of the Titanic on its tragic inaugural trip. Most of its historic center was destroyed by German bombing during World War II.