For some areas of Europe, especially in Germany, the Thirty Years War was devastating and its impact on the social and economic well being of Europe cannot be underestimated. However, even within Germany there were regions that escaped the Thirty Years War and suffered relatively little damage. Some city states, such as Hamburg, Leipzig and Danzig, actually profited from the war.
"The social and economic impact of the Thirty Years War". HistoryLearningSite.co.uk. 2014. Web.