Scandinavia is a subregion of northern Europe that most commonly comprises Denmark, Norway, and Sweden, which share strong historical, cultural, and linguistic ties. It may also refer to the Scandinavian Peninsula (which excludes Denmark but includes part of northern Finland).
Scandinavia is a large region of northern Europe that is predominantly made up of the Scandinavian Peninsula. This peninsula contains the countries of Norway and Sweden. Neighboring Denmark and Finland, as well as Iceland, are also considered to be part of this region.
Scandinavia is best understood as the cultural and historical region made up of Norway, Sweden and Denmark. These three nations share centuries of intertwined history, closely related languages and many social traditions.

Scandinavia, part of northern Europe, generally held to consist of the two countries of the Scandinavian Peninsula, Norway and Sweden, with the addition of Denmark.
Locally (and technically) speaking, Scandinavia refers to the countries of Sweden, Norway, and Denmark all speaking the Scandinavian languages and home of the Norse people during the Viking Age.

Scandinavia is a historical and geographical region including the three kingdoms of Denmark, Norway, and Sweden. It is characterized by common ethno-cultural heritage and mutually intelligible North Germanic languages.
Scandinavia refers to a region of Northern Europe where the countries are closely linked by history, culture, and language. Most commonly, Scandinavia refers to Norway, Denmark and Sweden, though it can also include Finland, Iceland and the Faroe Islands.