Shirvanshahs' Palace is located in the Old City of Baku, capital of Azerbaijan. In December 2000, the Old City of Baku, including the Palace of the Shirvanshahs and Maiden Tower, became the first location in Azerbaijan to be classified as a UNESCO World Heritage Site.
Two stamps issued by the “Tiny Stamp Department”. I think these are the smallest stamps I have seen yet. Both are part of a set of five definitive stamps, issued in 2014, picturing domestic cats.