Proper noun
A city in Schleswig-Holstein which served as a waypoint on the Old Salt Route and is the southern terminus of the Elbe-Lübeck Canal; its surrounding lands.
A city in Pomerania: Former name of Lębork.
Source: en.wiktionary.orgAfter being forced by the sovereign to resign, he received the purely honorific title of "Duke of Lauenburg", without the duchy itself and the sovereignty that would have transformed his family into a mediatized house. Source: Internet
British attempts to mediate in the London Conference of 1864 failed, and Denmark lost Schleswig (Northern and Southern Schleswig), Holstein, and Lauenburg to Prussia and Austria. Source: Internet
He was also given a new title, Duke of Lauenburg, which he joked would be useful when traveling incognito. Source: Internet
He attempted to persuade Kaiser Wilhelm I that he should be endowed with the sovereign duchy of Lauenburg, in reward for his services to the imperial family and the German empire. Source: Internet