Regions

Northeast German Plain 

D01 Mecklenburg Coastal Lowland (71)
D02 Northeast Mecklenburg Lowland (including the Szczecin Lagoon) (72-73)
Northeast Mecklenburg Lowland (72, northwest and centre)
Szczecin Lagoon  (73 east) 
D03 Mecklenburg Lake Plateau Hinterland (74)
D04 Mecklenburg Lake Plateau (75)
D05  Mecklenburg-Brandenburg Plateau and Upland (76-78)
Southwest Foreland of the Mecklenburg Lake Plateau (76, northwest)
North Brandenburg Plateau and Upland (77, centre)
Luchland (78, southeast)
D06 East Brandenburg Plateau (79)
D07 Oder Valley (80)
D08 Lusatian  Basin and Spreewald (83-84)
Spreewald (83, northeast)
Lusatian Basin and Lower Lusatian Heath (84, centre, west and south)
D09 Middle Elbe Plain (87)
D10 Elbe-Mulde Plain (88)
D11 Fläming Heath (85)
D12 Brandenburg Heath and Lake District (81-82)
Central Brandenburg Plateaux and Lowland (81, west)
East Brandenburg Heath and Lake District (82, east)
D13 Upper Lusatian Plateau (89)
Saxon Lowland* (new overarching region/division)
D19 Saxon Upland and Ore Mountain Foreland  (45-46)
Ore Mountain Foreland (45, south)
Saxon Upland (including Leipziger Land) (46, west, north and east)
D14 Upper Lusatia   (44) - excluding the Lusatian Upland (441)
D20 Eastern Harz Foreland and Börde (50)
D29 Wendland and Altmark (86)

Northwest German Plain 

D21 Schleswig-Holstein Marsch (68)
D22 Schleswig-Holstein Geest (69)
D23 Schleswig-Holstein Uplands (70)
D24 Lower Elbe Marsch (67)
D25 Ems and Weser Marsch (61)
D26 East Frisian Geest (60)
D27 Stade Geest (63)
D28 Lüneburg Heath (64)
D30 Dümmer and Ems-Hunte Geest (58-59)
Dümmer Geest Lowland (58, south)
Ems-Hunte Geest (59, north)
D31 Weser-Aller Plain (62)
D32 Lower Saxony Börde  (52)
D33 North Harz Foreland  (51)
D34 Westphalian Lowland or Basin (Münster Lowland) (54)
D35 Lower Rhine Plain and Cologne Lowland   (55, 57)
Cologne Lowland  (55, south)
Lower Rhine Plain (57, north)

Western Central Uplands 

D36 Lower Saxon Hills  (including the Weser and Leine Uplands) (36-37, 53)
Lower Weser Uplands (53, northwest)
Upper Weser Uplands (36, centre)
Leine Uplands (37, east)
D37 Harz (38)
D38 Sauerland (Süderbergland)  (33)
D39 Westerwald  (32) 
D40 Gießen-Koblenz Lahn Valley (31)
D41 Taunus (30)
D42 Hunsrück (24)
D43 Moselle Valley (25)
D44 Middle Rhine (including Siebengebirge) (29)
D45 Eifel  (including Venn Foreland) (27-28, 56)
East Eifel (27, east and centre)
West Eifel (28, west)
Venn Foreland (56, extreme northwest)
D46 West Hesse Highlands (34)
D47 East Hesse Highlands (35)
D49 Bitburg Land (Gutland) (26)
D50 Palatine-Saar Muschelkalk Region (18)
D51 Palatinate Forest (the Haardt) (17)
D52 Saar-Nahe Hills or Upland (19)

Eastern Central Uplands 
Saxon Highlands and Uplands* (new supra-region)
D14 Upper Lusatia (44) - 
only 441 Upper Lusatian Plateau 
D15 Saxon-Bohemian Chalk Sandstone Region (43)
D16 Ore Mountains  (Erzgebirge) (42)
D17 Vogtland (41)
D18 Thuringian Basin including outer plateaus (47-48)
Southern plateau of the Thuringian Basin (47, south)
Thuringian Basin  (48; north, west and centre)
D48 Thuringian-Franconian Upland (39)
D63 Upper Palatine-Bavarian Forest (40)

South German Scarplands 

D53 Upper Rhine Plain (20-23)
Southern Upper Rhine Plain (20, extreme south)
Middle Upper Rhine Plain (21, south of centre)
Northern Upper Rhine Plain (22, centre and north)
Rhine-Main Lowland (23, northeast)
D54 Black Forest (15)
D55 Odenwald, Spessart and South Rhön (14)
D56 Mainfranken Plateau (13)
D57 Gäu Plateaus (12)
D58 Swabian Keuper-Lias Plains (10)
D59 Franconian Keuper-Lias Plains (11)
D60 Swabian Jura (09)
D61 Franconian Jura (08)
D62 Upper Palatinate-Upper Main Hills (07)
D69 Dinkelberg and Upper Rhine Valley (16)

Alpine Foreland and Alps 

D64 Iller-Lech Plateau (04)
D65 Lower Bavarian Uplands and Isar-Inn Gravel Plateau (05-06)
Isar-Inn Gravel Plateau (05, Süden)
Lower Bavarian Uplands (06, Mitte und Norden)
D66 Southern Alpine Foreland (03)
D67 Swabian-Bavarian Foreland (02)
D68 Northern Limestone Alps (01)

North and Baltic Seas 

D70 German Bight (excluding the Heligoland rock outcrop) (900 - to 90)
D71 Dogger Bank and adjacent central North Sea (901 - to 90)
D72 Western Baltic (902 - to 90)
D73 Eastern Baltic (903 - to 90)

References 

Geography of Germany