Editing East Prussia (section)

=== Cities and towns ===
{{Main|List of cities and towns in East Prussia}}
{| class="sortable wikitable"
!City/Town
!District (''Kreis'')
!Pop. in 1939
!Current Name
!Current Administrative Unit
|-
|[[Allenburg]] || [[Landkreis Wehlau]] || align=right |2 694 || [[Druzhba, Kaliningrad Oblast|Druzhba]] || [[Kaliningrad Oblast]] (Russia)
|-
|[[Allenstein]] || [[Landkreis Allenstein]] || align=right |50 396 || [[Olsztyn]] || [[Warmian-Masurian Voivodeship]] (Poland) 
|-
|[[Angerburg]] || [[Kreis Angerburg|Landkreis Angerburg]]|| align="right" |10 922 || [[Węgorzewo]] ([[Węgobork]]) || rowspan="7" | Warmia-Masuria 
|-
|[[Orzysz|Arys]] || [[Landkreis Johannisburg]] || align=right |3 553 || [[Orzysz]] 
|-
|[[Barciany|Barten]] || [[Kreis Rastenburg|Rastenburg]]|| align="right" |1 541 || [[Barciany]] 
|-
|[[Bartenstein]] || [[Landkreis Bartenstein]] || align=right |12 912 || [[Bartoszyce]] 
|-
|[[Bischofsburg]] || [[Kreis Rößel|Landkreis Rößel]]|| || [[Biskupiec]] 
|-
|[[Bischofstein (Ostpreußen)]] || Rößel || align=right |3 200 || [[Bisztynek]] 
|-
|[[Braunsberg]] || [[Landkreis Braunsberg]] || align=right |21 142 || [[Braniewo]] 
|-
|[[Darkehmen]]/[[Ozyorsk, Kaliningrad Oblast|Angerapp]] || [[Darkehmen (district)|Darkehmen]]|| || [[Ozyorsk, Kaliningrad Oblast|Ozyorsk]] || rowspan="2" | Kaliningrad 
|-
|[[Domnau]] || Bartenstein || || [[Domnovo]] 
|-
|[[Elbing]] || Stadtkreis  || align=right |85 952 || [[Elbląg]] || Warmia-Masuria 
|-
|[[Eydtkuhnen]] || [[Landkreis Stallupönen]] || align=right |4 922 || [[Chernyshevskoye]] || rowspan="2" |  Kaliningrad 
|-
|[[Fischhausen]] || [[Landkreis Samland]] || align=right |3 879 || [[Primorsk, Kaliningrad Oblast|Primorsk]] 
|-
|[[Frauenburg (Ostpreußen)]] || Braunsberg || align=right |2 951 || [[Frombork]] || Warmia-Masuria 
|-
|[[Friedland (Ostpreußen)]] || Bartenstein || || [[Pravdinsk]] || Kaliningrad 
|-
|[[Gehlenburg]] || Johannisburg || || [[Biała Piska]] || Warmia-Masuria
|-		
|[[Gerdauen]] || [[Landkreis Gerdauen]] || align=right |5 118 || [[Zheleznodorozhny, Kaliningrad Oblast|Zheleznodorozhny]] || Kaliningrad 
|-
|[[Gilgenburg]] || [[Landkreis Osterode]] || align=right |1 700 || [[Dąbrówno]] || rowspan="2" |	Warmia-Masuria
|-
|[[Goldap]] || [[Kreis Goldap|Landkreis Goldap]]|| align="right" |12 786 || [[Gołdap]] 
|-
|[[Gumbinnen]] || [[Landkreis Gumbinnen]] || align=right |24 534 || [[Gusev, Kaliningrad Oblast|Gusev]] || Kaliningrad 
|-
|[[Guttstadt]] || [[Landkreis Heilsberg]] || || [[Dobre Miasto]] || Warmia-Masuria	
|-
|[[Mamonovo|Heiligenbeil]] || [[Landkreis Heiligenbeil]] || align=right |12 100 || [[Mamonovo]] || Kaliningrad 
|-
|[[Lidzbark Warmiński|Heilsberg]] || [[Kreis Heilsberg]] || || [[Lidzbark Warmiński]] || Warmia-Masuria		
|-
|[[Šilutė|Heydekrug]] || [[Landkreis Heydekrug]] || align=right |4 836 || [[Šilutė]] || [[Klaipėda County]] (Lithuania)
|-
|[[Hohenstein (Ostpreußen)|Hohenstein]] || Osterode || || [[Olsztynek]] || Warmia-Masuria
|-
|[[Insterburg]] || [[Landkreis Insterburg]] || align=right |48 711 || [[Chernyakhovsk]] || Kaliningrad 
|-
|[[Johannisburg]] || Johannisburg || || [[Pisz]] (Jańsbork) || Warmia-Masuria
|-
|[[Königsberg (Preußen)]] || Stadtkreis || align=right |372 000 || [[Kaliningrad]] || rowspan="3" | Kaliningrad 
|-	
|[[Slavskoye, Russia|Kreuzburg (Ostpreußen)]] || [[Bagrationovsk|Landkreis Preußisch Eylau]]|| || [[Slavskoye, Russia|Slavskoye]] 
|-
|[[Labiau]] || [[Landkreis Labiau]] || align=right |6 527 || [[Polessk]] 
|-
|[[Landsberg in Ostpreußen]] || Preußisch Eylau || || [[Górowo Iławeckie]] || rowspan="6" | Warmia-Masuria	
|-
|[[Liebemühl]] || Osterode || || [[Miłomłyn]] 
|-
|[[Liebstadt]] || [[Kreis Mohrungen|Mohrungen]]|| align="right" |2 742  || [[Miłakowo]] 
|-
|[[Lötzen]] || [[Landkreis Lötzen]] ||	align=right |13 000 || [[Giżycko]] ([[Giżycko|Lec]]) 
|-
|[[Lyck]] || [[Landkreis Lyck]] || align=right |16 482 || [[Ełk]] 
|-
|[[Marggrabowa]]/[[Treuburg]] || [[Landkreis Oletzko]]/Treuburg || || [[Olecko]] 
|-
|[[Marienburg in Westpreußen]] || [[Kreis Marienburg (West Prussia)|Marienburg]]|| ||[[Malbork]] ||[[Pomeranian Voivodeship]] (Poland)
|-
|[[Mehlsack]] || Braunsberg || || [[Pieniężno]] ([[Melzak]]) || Warmia-Masuria	
|-
|[[Klaipėda|Memel]] || Stadtkreis || align=right |41 297 || [[Klaipėda]] || Klaipėda
|-
|[[Mohrungen]] || Mohrungen || align=right |5 500 || [[Morąg]] || rowspan="4" | Warmia-Masuria
|-
|[[Mühlhausen]] || [[Landkreis Preußisch Holland]] || || [[Młynary]] 
|-
|[[Neidenburg]] || [[Landkreis Neidenburg]] || align=right |9 201 || [[Nidzica]] ([[Nibork]]) 
|-
|[[Nikolaiken]] || [[Landkreis Sensburg]] || || [[Mikołajki]] 
|-
|[[Nordenburg]] || Gerdauen || align=right |3 173 || [[Krylovo, Kaliningrad Oblast|Krylovo]] || Kaliningrad 
|-
|[[Ortelsburg]] || [[Szczytno|Landkreis Ortelsburg]]|| align="right" |14 234 || [[Szczytno]] || rowspan="4" | Warmia-Masuria
|-
|[[Osterode (Ostpreußen)]] || Osterode || align=right |19 519  || [[Ostróda]] 
|-
|[[Passenheim]] || Ortelsburg || align=right |2 431 || [[Pasym]] 
|-
|[[Peterswalde]] || Osterode ||  || [[Pietrzwałd, Warmian-Masurian Voivodeship|Piertzwald]] 
|-
|[[Pillau]] || Samland || align=right |12 000 || [[Baltiysk]] || rowspan="2" | Kaliningrad 
|-
|[[Preußisch Eylau]] || Preußisch Eylau || align=right |7 485 || [[Bagrationovsk]] 
|-	
|[[Preußisch Holland]] || Preußisch Holland || || [[Pasłęk]] || Warmia-Masuria	
|-	
|[[Ragnit]] || [[Sovetsk, Kaliningrad Oblast|Landkreis Tilsit-Ragnit]]|| align="right" |10 094 || [[Neman (town)|Neman]] || Kaliningrad 
|-
|[[Rastenburg]] || Rastenburg || align=right |19 634 ||	[[Kętrzyn]] ([[Rastembork]]) || rowspan="5" | Warmia-Masuria
|-
|[[Rhein (Ostpreußen)]] || Lötzen || || [[Ryn]] 
|-
|[[Rößel]] || [[Kreis Rößel|Rößel]]|| align="right" |5 000 || [[Reszel]] 
|-
|[[Saalfeld]] || [[Morąg|Mohrungen]]|| || [[Zalewo]] 
|-
|[[Schippenbeil]] || [[Bartoszyce|Bartenstein]]|| || [[Sępopol]] 
|-
|[[Kutuzovo, Kaliningrad Oblast|Schirwindt]] || [[Landkreis Pillkallen]] || || [[Kutuzovo, Kaliningrad Oblast|Kutuzovo]] || rowspan="2" | Kaliningrad
|-
|[[Pillkallen-Schlossberg]] || [[Dobrovolsk|Pillkallen]]|| || [[Dobrovolsk]] 
|-		
|[[Jeziorany|Seeburg]] ||	[[Kreis Rößel|Rößel]]|| || [[Jeziorany]] ([[Zybork]])|| rowspan="3" | Warmia-Masuria
|-
|[[Sensburg]] || Sensburg || || [[Mrągowo]] ([[Żądzbork]]) 
|-
|[[Soldau]] || [[Nidzica|Neidenburg]]|| align="right" |5 349 || [[Działdowo]] 
|-
|[[Stallupönen]] || Stallupönen || align=right |6 608 || [[Nesterov]] || rowspan="3" | Kaliningrad 
|-
|[[Tapiau]] || [[Znamensk, Kaliningrad Oblast|Wehlau]]|| align="right" |9 272  || [[Gvardeysk]] 
|-
|[[Tilsit]] || Stadtkreis || align=right |59 105 || [[Sovetsk, Kaliningrad Oblast|Sovetsk]] 
|-
|[[Wartenburg (Ostpreußen)]] || [[Landkreis Allenstein]]|| align="right" |5 841 || [[Barczewo]] ([[Wartembork]]) || Warmia-Masuria
|-
|[[Wehlau]] || Wehlau || align=right |7 348 || [[Znamensk, Kaliningrad Oblast|Znamensk]] || Kaliningrad
|-
|[[Wielbark, Warmian-Masurian Voivodeship|Willenberg]] || Ortelsburg || align=right |2 600 || [[Wielbark (Warmian-Masurian Voivodeship)|Wielbark]] || rowspan="2" | Warmia-Masuria
|-
|[[Wormditt]] || Braunsberg || || [[Orneta]] 
|-
|[[Zinten]] || [[Mamonovo|Heiligenbeil]] || || [[Kornevo]] || Kaliningrad
|}