Scandinavia refers to a region in Northern Europe consisting of Denmark, Norway, and Sweden, as well as sometimes Iceland and Finland. The main bond between these countries is their similar Scandinavian languages. Some key facts about the region include Norway being just larger than New Mexico, Finland having over 188,000 lakes, and Sweden being known for innovations like the refrigerator. The document then provides more detailed information about the geography, demographics, economies, cultures and political systems of Denmark, Norway, and Sweden individually.