Hedwig Eleonora was welcomed by King Charles X Gustav at Dalarö in Sweden 5 October 1654, and stayed at Karlberg Palace before her official arrival at Stockholm for the wedding 24 October. She was greeted, dressed in silver brocade, by queen dowager Maria Eleonora of Brandenburg at the Stockholm Royal Palace, where the wedding was celebrated the same day. She was crowned queen at Storkyrkan 27 October. Shortly after, her husband left for Poland to participate in the Deluge (history). Hedwig Eleonora remained in Sweden for the birth of the future Charles XI the 24 November 1655 and the following Christmas. The spring of 1656, she left Sweden and followed Charles Gustav during his campaign, during which she displayed both physical and mental strength. She was present during the Battle of Warsaw (1656), during which she received the official praise from the Swedish army alongside her spouse. She returned to Sweden in the autumn of 1656. In Sweden, she took control over her dower lands, which she strictly controlled during her life. After the Dano-Swedish War (1657–1658)), she was called to join her husband at Gothenburg, then she followed him to Gottorp and Wismar. During the Dano-Swedish War (1658-1660), she and her sister-in-law Maria Eufrosyne of Pfalz lived at Kronborg in Denmark after it had been taken by the Swedish general Carl Gustaf Wrangel. At Kronborg, Hedwig Eleonora was visited by her husband and entertained the foreign ambassadors. She visited Frederiksborgs Palace and hunted in the woods with the English ambassador. During the Falster campaign, she entertained the ambassadors at Nyköbing Falster. Hedwig Eleonora left for Gothenburg in December 1659, where the Swedish parliament was to assemble in January 1660.