This article is about the dog breed. For other uses, see Pomeranian. The Pomeranian (often known as a Pom or Pom Pom) is a breed of dog of the Spitz type, named for the Pomerania region in Central Europe (today part of northern Poland and eastern Germany).his article is about the dog breed. For other uses, see Pomeranian. The Pomeranian (often known as a Pom or Pom Pom) is a breed of dog of the Spitz type, named for the Pomerania region in Central Europe (today part of northern Poland and eastern Germany).