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The Kingdom of Hanover incorporated the Duchy in a real union and the Ducal territory became part of the new Stade Region , established in 1823 .
 location: Kingdom of Hanover
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Kingdom of Hanover