Countries from the Baltic Sea
The countries' layer symbolizes the land masses around the sea basin.
Information about each country can be viewed by clicking on the 'i' icon (see image below) on each country, this is information retrieved from wikipedia and other non-official sources as well as common knowledge.
Adapted from Natural Earth countries' and lakes' layers (version 4.0.0).
15 October 2017
The source countries' layer was combined with the source lakes layer and the geometries were simplified. In the course of the simplification process some smaller areas (islands) were removed.