Is De La Warr a title or surname?

De La Warr is a title, specifically a British nobility title associated with the peerage of the United Kingdom. It has historical significance and is linked to the Earldom of De La Warr, which was created in the 17th century. The title is derived from the name of the Sussex village of Battle, where the de la Warr family originated. While it can also appear as a surname, its primary recognition is as a noble title.