Královéhradecký kraj

Formerly the fortress of Ples dating to 1780, built to defent the right wing of a meander of the Elbe and control communications with Silesia and the Klodzko region.
The centre of the fortress contained the military headquarters, the main watch-house, the cavalry barracks, the military hospital, the Old Town Hall and the Church of the Assumption.
The fortress was decommissioned in 1888.

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