I've found some maps that might be of interest. Click on the preview image to view the images in higher resolution. I don't know whether they are copyrighted or free to use but I suppose no one will take offense if you do use the maps in your local gaming group only.
Birds eye view illustration of Stockholm 1870: https://findyourswedishancestry.com/pro ... ound-1870/
Map of Stockholm 1818: https://findyourswedishancestry.com/pro ... stockholm/
Stockholm panorama view 1868: https://findyourswedishancestry.com/pro ... -billmark/
Map of Ystad 1848: https://findyourswedishancestry.com/pro ... ity-ystad/
Map of Ystad 1850: https://upload.wikimedia.org/wikipedia/ ... Sweden.jpg
Map of Karlskrona 1806: https://findyourswedishancestry.com/pro ... rona-1806/
Uppsala 1882: https://findyourswedishancestry.com/pro ... sala-1882/