This map addon called Swedish Islands is covering the two biggest islands in
Sweden, Gotland and Öland, located in the Baltic Sea. You can reach the island
Gotland by ferries from Karlskrona and Nynäshamn in Sweden and Ventspils in Latvia.
The other island Öland, you can get to via a bridge from the city Kalmar on the
east coast of Sweden.
This addon will give you the following:
Cities and towns: 16
Companies: ca. 30
Compatibility with 1.47