On 18 February 2011 , the `` Unser Song für Deutschland '' final was held and it was decided through televoting that Meyer-Landrut would perform the entry `` Taken by a Stranger '' in the final of the Eurovision Song Contest 2011 In April 2011 , she went on her first German tour in the largest concert halls in Berlin , Hanover , Frankfurt , Dortmund , Leipzig , Hamburg , Munich , Stuttgart and Cologne .
The locations were nine cities : Berlin , Hanover , Frankfurt , Dortmund , Hamburg , Leipzig , Munich , Stuttgart and Cologne .