Administrative divisions:

16 states (Laender, singular - Land); Baden-Wuerttemberg, Bayern (Bavaria), Berlin, Brandenburg, Bremen, Hamburg, Hessen (Hesse), Mecklenburg-Vorpommern (Mecklenburg-Western Pomerania), Niedersachsen (Lower Saxony), Nordrhein-Westfalen (North Rhine-Westphalia), Rheinland-Pfalz (Rhineland-Palatinate), Saarland, Sachsen (Saxony), Sachsen-Anhalt (Saxony-Anhalt), Schleswig-Holstein, Thueringen (Thuringia)

note: Bayern, Sachsen, and Thueringen refer to themselves as free states (Freistaaten, singular - Freistaat), while Bremen calls itself a Free Hanseatic City (Freie Hansestadt) and Hamburg considers itself a Free and Hanseatic City (Freie und Hansestadt)

Definition:

This entry gives the numbers, designatory terms, and first-order administrative divisions as approved by the US Board on Geographic Names (BGN). Changes that have been reported but not yet acted on by the BGN are noted. Geographic names conform to spellings approved by the BGN with the exception of the omission of diacritical marks and special characters.

Source: CIA World Factbook