The document provides a summary of activities during a trip to Stockholm, Sweden from April 22-28, 2011. It mentions visiting locations such as the Sheraton Hotel, Gamla Stan (Old Town), the Royal Palace, Parliament buildings, and Ridderholm's Church in Gamla Stan. Other activities included touring the archipelago, visiting Drottningholm Palace and Nordic history museums. Additional areas that were explored include Östermalm district, Sergels Torg square, and Kungsträdgården park.