Original: Mecklenburg-Strelitz was a duchy and later grand duchy in northern Germany , roughly consisting of the present day district of Mecklenburg-Strelitz ( the historical Stargarder Land ) , bordering areas of modern-day Brandenburg with the town of Fürstenberg and the area around Ratzeburg in modern Schleswig-Holstein .
Simplified: The duchy also had three exclaves near the town of Fürstenberg and the area around Ratzeburg in modern Schleswig-Holstein .