This article discusses the Polish order of battle during the

invasion of Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week aft ...

. In the late 1930s Polish headquarters prepared "Plan Zachód" (''Plan "West''), a plan of mobilization of

Polish Army The Land Forces () are the land forces of the Polish Armed Forces. They currently contain some 62,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military history stret ...

in case of war with Germany. Earlier, the Poles did not regard the Germans as their main threat, priority was given to threat from the

Soviets Soviet people ( rus, сове́тский наро́д, r=sovyétsky naród), or citizens of the USSR ( rus, гра́ждане СССР, grázhdanye SSSR), was an umbrella demonym for the population of the Soviet Union. Nationality policy in th ...

(see: Plan East). The overall operational plan assumed the creation of thirty

infantry Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized infantry, airborne infantry, air assault infantry, and marine i ...

division Division or divider may refer to: Mathematics *Division (mathematics), the inverse of multiplication *Division algorithm, a method for computing the result of mathematical division Military *Division (military), a formation typically consisting ...

s, nine reserve divisions, eleven

cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from "cheval" meaning "horse") are soldiers or warriors who fight mounted on horseback. Cavalry were the most mobile of the combat arms, operating as light cavalry ...

brigades A brigade is a major tactical military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute a division. Br ...

, two motorized brigades, three mountain brigades and a number of smaller units. Most Polish forces were grouped into six armies and a number of

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...

-sized "

Operational Group {{Unreferenced, date=October 2008 Operational Group ( pl, Grupa Operacyjna, abbreviated GO) was the highest level of tactical division of the Polish Army before and during World War II and the invasion of Poland. It was corps-sized, although variou ...

s". Later in the course of the war other operational units were created.

Armies

Karpaty Army

Created on July 11, 1939, under Major General

Kazimierz Fabrycy Kazimierz Fabrycy (3 March 1888, Odessa – 18 July 1958) was a Polish general. Early life Kazimierz Fabrycy was born on March 3, 1888 in Odessa, in the Kherson Governorate of the Russian Empire. Upon graduating from school in Niemirów he e ...

. ''Armia Karpaty'' was created after Germany annexed

Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...

and created a puppet state of

Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...

. The main aim of the army was to secure mountain passes in the

Carpathians The Carpathian Mountains or Carpathians () are a range of mountains forming an arc across Central Europe. Roughly long, it is the third-longest European mountain range after the Ural Mountains, Urals at and the Scandinavian Mountains at . The ...

. Initially the army consisted of 2 improvised mountain brigades and a number of smaller units, but later in the course of war was joined by forces of the withdrawing ''Armia Kraków''. * 2nd Mountain Brigade (''2 Brygada Górska''), made of National Defence units from

Limanowa Limanowa (german: Ilmenau, yi, לימינוב ''Liminuv'') is a small town in southern Poland, in the Lesser Poland Voivodeship. It is the capital of Limanowa County and had a population of 15,132 in 2012. History Mentions of the town date bac ...

Gorlice Gorlice ( uk, Горлиці, translit=''Horlytsi'') is a city and an urban municipality ("gmina") in south eastern Poland with around 29,500 inhabitants (2008). It is situated south east of Kraków and south of Tarnów between Jasło and Nowy S ...

and

Nowy Sącz Nowy Sącz (; hu, Újszandec; yi, Tzanz, צאַנז; sk, Nový Sonč; german: Neu-Sandez) is a city in the Lesser Poland Voivodeship of southern Poland. It is the district capital of Nowy Sącz County as a separate administrative unit. It has ...

, as well as

Border Defence Corps The Border Protection Corps ( pl, Korpus Ochrony Pogranicza, KOP) was a military formation of the Second Polish Republic that was created in 1924 to defend the country's eastern borders against armed Soviet incursions and local bandits. Other b ...

units from

Volhynia Volhynia (also spelled Volynia) ( ; uk, Воли́нь, Volyn' pl, Wołyń, russian: Волы́нь, Volýnʹ, ), is a historic region in Central and Eastern Europe, between south-eastern Poland, south-western Belarus, and western Ukraine. Th ...

, * 3rd Mountain Brigade (''3 Brygada Górska''), made of National Defence units from

Krosno Krosno (in full ''The Royal Free City of Krosno'', pl, Królewskie Wolne Miasto Krosno) is a historical town and Krosno County, county in the Subcarpathian Voivodeship, in southeastern Poland. The estimated population of the town is 47,140 inha ...

Sanok Sanok (in full the Royal Free City of Sanok — pl, Królewskie Wolne Miasto Sanok, rue, Санок, ''Sanok'', ua, Cянік, ''Sianik'', la, Sanocum, yi, סאניק, ''Sonik'') is a town in the Subcarpathian Voivodeship of south-eastern ...

Przemyśl Przemyśl (; yi, פשעמישל, Pshemishl; uk, Перемишль, Peremyshl; german: Premissel) is a city in southeastern Poland with 58,721 inhabitants, as of December 2021. In 1999, it became part of the Subcarpathian Voivodeship; it was pr ...

and

Rzeszów Rzeszów ( , ; la, Resovia; yi, ריישא ''Raisha'')) is the largest city in southeastern Poland. It is located on both sides of the Wisłok River in the heartland of the Sandomierz Basin. Rzeszów has been the capital of the Subcarpathian Vo ...

Carpathian Half-Brigade of National Defence Carpathian Half-Brigade of National Defence ( pl, Karpacka Półbrygada Obrony Narodowej) was a unit of the Polish Army in the interbellum period that took part in the Polish September Campaign. It was formed in July 1937 in Stanisławów. Original ...

(''Karpacka Półbrygada ON'') *

1st Motorized Artillery Regiment First or 1st is the ordinal form of the number 1 (number), one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, D ...

* 9th Heavy Artillery Regiment Additionally, mobilisation plans called for creation of the Tarnów Group consisting of: * 22nd Mountain Infantry Division from

, * 38th Infantry Division (reserve), created in August 1939 out of

units from

Polesie Voivodeship Polesie Voivodeship ( pl, województwo poleskie) was an administrative unit of interwar Poland (1918–1939), named after the historical region of Polesia. It was created by the Council of Ministers of the Second Polish Republic on February 19, 1 ...

and Volhynian Voivodeship.

Kraków Army

Created on March 23, 1939, as the main pivot of Polish defence. Its main task was to delay advancing German troops and withdraw eastwards along the northern line of the

. It consisted of 5 infantry divisions, 1 mountain infantry division, 1 motorized cavalry brigade, 1 mountain brigade and 1 cavalry brigade under gen. Antoni Szylling.

Lublin Army

An improvised army created on September 4 from a motorized brigade and various smaller units concentrated around

Lublin Lublin is the ninth-largest city in Poland and the second-largest city of historical Lesser Poland. It is the capital and the center of Lublin Voivodeship with a population of 336,339 (December 2021). Lublin is the largest Polish city east of t ...

Sandomierz Sandomierz (pronounced: ; la, Sandomiria) is a historic town in south-eastern Poland with 23,863 inhabitants (as of 2017), situated on the Vistula River in the Sandomierz Basin. It has been part of Świętokrzyskie Voivodeship (Holy Cross Provi ...

and upper

Vistula The Vistula (; pl, Wisła, ) is the longest river in Poland and the ninth-longest river in Europe, at in length. The drainage basin, reaching into three other nations, covers , of which is in Poland. The Vistula rises at Barania Góra in ...

. Commanded by mj. gen.

Tadeusz Piskor Tadeusz Ludwik Piskor (1889–1951) was a Polish Army general. Life and career Piskor was born on 1 February 1889 in Bór Kunowski. Before World War I, he was a member of Polish pro-independence organizations. During World War I he served in th ...

. *

Warsaw Armoured Motorized Brigade The Warsaw Armoured Motorized Brigade ( pl, Warszawska Brygada Pancerno-Motorowa, WBP-M, WBPanc-Mot) was a motorized unit of the Polish Army during the interbellum period. The brigade was one of two such units in Poland (the other being the 10th M ...

('' Warszawska Brygada Pancerno-Motorowa'') * Smaller units

Łódź Army

Created on March 23, 1939, under gen.

Juliusz Rómmel Juliusz Karol Wilhelm Józef Rómmel (german: Julius Karl Wilhelm Josef Freiherr von Rummel; 3 June 1881 – 8 September 1967) was a Polish military commander, a general of the Polish Armed Forces (Second Polish Republic), Polish Armed Forces. He ...

. ''Armia Łódź'' was to become a bolt between Armies "Kraków" and "Poznań". However, because of mistakes committed by Gen. Rómmel, the army was located too close to the German border and joined fighting from the very beginning of the campaign, which deprived it of any possibilities of cooperation with the surrounding units. It consisted of 4 infantry divisions and 2 cavalry brigades. * 2nd Legions Infantry Division (''2 Dywizja Piechoty Legionów'') from

Kielce Kielce (, yi, קעלץ, Keltz) is a city in southern Poland, and the capital of the Świętokrzyskie Voivodeship. In 2021, it had 192,468 inhabitants. The city is in the middle of the Świętokrzyskie Mountains (Holy Cross Mountains), on the bank ...

, * 10th Infantry Division (''10 Dywizja Piechoty'') from

Łódź Łódź, also rendered in English as Lodz, is a city in central Poland and a former industrial centre. It is the capital of Łódź Voivodeship, and is located approximately south-west of Warsaw. The city's coat of arms is an example of canti ...

, * 28th Infantry Division (''28 Dywizja Piechoty'') from

Łomża Łomża (), in English known as Lomza, is a city in north-eastern Poland, approximately 150 kilometers (90 miles) to the north-east of Warsaw and west of Białystok. It is situated alongside the Narew river as part of the Podlaskie Voivodeship si ...

, * 30th Infantry Division (''30 Dywizja Piechoty'', reserve division) from

Kobryn Kobryn ( be, Кобрын; russian: Кобрин; pl, Kobryń; lt, Kobrynas; uk, Кобринь, Kobryn'; yi, קאָברין) is a city in the Brest Region of Belarus and the center of the Kobryn District. The city is located in the southwest ...

, *

Kresowa Cavalry Brigade Kresowa Cavalry Brigade (Polish: ') was a unit of the Polish Army in the interbellum period. It was organized on April 1, 1937 and was based on the Second Cavalry Brigade. Stationed in the town of Brody, it consisted of several regiments: * 20th U ...

('' Kresowa Brygada Kawalerii'') from

Brody Brody ( uk, Броди; russian: Броды, Brodï; pl, Brody; german: Brody; yi, בראָד, Brod) is a city in Zolochiv Raion of Lviv Oblast (province) of western Ukraine. It is located in the valley of the upper Styr River, approximately ...

, *

Wołyńska Cavalry Brigade The Volhynian Cavalry Brigade ( pl, Wołyńska Brygada Kawalerii) was a Polish cavalry brigade, which saw action against the invading Germans during the Invasion of Poland, a part of World War II. Raised from recruits in the area of Wołyń, the di ...

('' Wołyńska Brygada Kawalerii'') from Rowne, *

Sieradz National Defence Brigade Sieradz National Defence Brigade ( pl, Sieradzka Brygada Obrony Narodowej) was a reserve unit of the Polish Army in the interbellum period. Stationed in Łódź, on August 30, 1939, it was moved to Wieluń. It consisted of several battalions, such ...

(''

Sieradz Sieradz ( la, Siradia, yi, שעראַדז, שערעדז, שעריץ, german: 1941-45 Schieratz) is a city on the Warta river in central Poland with 40,891 inhabitants (2021). It is the seat of the Sieradz County, situated in the Łódź Voivodes ...

ka Brygada Obrony Narodowej'')

Modlin Army

Created on March 23, 1939, for defence of

Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officia ...

from the north. The army was to defend fortified lines along the border with

East Prussia East Prussia ; german: Ostpreißen, label=Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 187 ...

near

Mława Mława (; yi, מלאווע ''Mlave'') is a town in north-east Poland with 30,403 inhabitants in 2020. It is the capital of Mława County. It is situated in the Masovian Voivodeship. During the invasion of Poland in 1939, the battle of Mława wa ...

, and then retreat towards

Narew The Narew (; be, Нараў, translit=Naraŭ; or ; Sudovian: ''Naura''; Old German: ''Nare''; uk, Нарва, translit=Narva) is a 499-kilometre (310 mi) river primarily in north-eastern Poland, which is also a tributary of the river Vis ...

river. Led by brig. gen.

Emil Krukowicz-Przedrzymirski Emil Krukowicz-Przedrzymirski also known as Emil Karol Przedrzymirski de Krukowicz (1886-1957) was a Polish general. Krukowicz-Przedrzymirski was born in 1886. He began military service as an artillery officer in the Austro-Hungarian Army during W ...

. Consisted of 2 infantry divisions and 2 cavalry brigades. * 8th Infantry Division (''8 Dywizja Piechoty'') from Modlin, * 20th Infantry Division (''20 Dywizja Piechoty'') from

Baranowicze Baranavichy ( ; be, Бара́навічы, Łacinka: , ; russian: Бара́новичи; yi, באַראַנאָוויטש; pl, Baranowicze) is a city in the Brest Region of western Belarus, with a population (as of 2019) of 179,000. It is not ...

, *

Nowogródzka Cavalry Brigade Nowogródzka Cavalry Brigade (Polish: ''Nowogródzka Brygada Kawalerii'') was a cavalry unit of the Polish Army in the interbellum period. It was created on April 1, 1937, out of the Baranowicze Cavalry Brigade. Its headquarters were stationed in th ...

('' Nowogródzka Brygada Kawalerii'') from

, *

Mazowiecka Cavalry Brigade Mazowiecka Cavalry Brigade ( pl, Mazowiecka Brygada Kawalerii) was a cavalry unit of the Polish Army in the interbellum period, which took part in the Polish September Campaign. It was created on April 1, 1937, out of former 1st Cavalry Brigade. Its ...

('' Mazowiecka Brygada Kawalerii'') from

, *

Warsaw National Defence Brigade Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-cen ...

(''Warszawska Brygada Obrony Narodowej'')

Pomorze Army

The Army was created on March 23, 1939, to defend

Toruń )'' , image_skyline = , image_caption = , image_flag = POL Toruń flag.svg , image_shield = POL Toruń COA.svg , nickname = City of Angels, Gingerbread city, Copernicus Town , pushpin_map = Kuyavian-Pom ...

and

Bydgoszcz Bydgoszcz ( , , ; german: Bromberg) is a city in northern Poland, straddling the meeting of the River Vistula with its left-bank tributary, the Brda. With a city population of 339,053 as of December 2021 and an urban agglomeration with more ...

and to carry out delaying actions in the so-called "

Polish Corridor The Polish Corridor (german: Polnischer Korridor; pl, Pomorze, Polski Korytarz), also known as the Danzig Corridor, Corridor to the Sea or Gdańsk Corridor, was a territory located in the region of Pomerelia (Pomeranian Voivodeship, eastern ...

". It was led by Lt.-Gen.

Władysław Bortnowski Władysław Bortnowski (12 November 1891 – 21 November 1966) was a Polish historian, military commander and one of the highest ranking generals of the Polish Army. He is most famous for commanding the Pomorze Army in the Battle of Bzura during ...

and consisted of five infantry divisions, two National Defence brigades and one cavalry brigade.

Poznań Army

The ''Armia Poznań'' led by mj. gen.

Tadeusz Kutrzeba Tadeusz Kutrzeba (15 April 1885 – 8 January 1947) was a general of the army during the Second Polish Republic. He served as a major general in the Polish Army in overall command of Army Poznań during the 1939 German Invasion of Poland. :pl:Tad ...

was to provide flanking operations in the

Grand Poland Greater Poland, often known by its Polish name Wielkopolska (; german: Großpolen, sv, Storpolen, la, Polonia Maior), is a historical region of west-central Poland. Its chief and largest city is Poznań followed by Kalisz, the oldest city ...

and withdraw towards lines of defence along the

Warta The river Warta ( , ; german: Warthe ; la, Varta) rises in central Poland and meanders greatly north-west to flow into the Oder, against the German border. About long, it is Poland's second-longest river within its borders after the Vistula, a ...

river. It consisted of 4 infantry divisions and 2 cavalry brigades. * 14th Infantry Division (''14 Dywizja Piechoty'') from

Poznań Poznań () is a city on the River Warta in west-central Poland, within the Greater Poland region. The city is an important cultural and business centre, and one of Poland's most populous regions with many regional customs such as Saint John ...

* 17th Infantry Division (''17 Dywizja Piechoty'') from

Gniezno Gniezno (; german: Gnesen; la, Gnesna) is a city in central-western Poland, about east of Poznań. Its population in 2021 was 66,769, making it the sixth-largest city in the Greater Poland Voivodeship. One of the Piast dynasty's chief cities, ...

* 25th Infantry Division (''25 Dywizja Piechoty'') from

Kalisz (The oldest city of Poland) , image_skyline = , image_caption = ''Top:'' Town Hall, Former "Calisia" Piano Factory''Middle:'' Courthouse, "Gołębnik" tenement''Bottom:'' Aerial view of the Kalisz Old Town , image_flag = POL Kalisz flag.svg ...

* 26th Infantry Division (''26 Dywizja Piechoty'') from

Skierniewice Skierniewice is a city in central Poland with 47,031 inhabitants (2021), situated in the Łódź Voivodeship (since 1999), previously capital of Skierniewice Voivodeship (1975–1998). It is the capital of Skierniewice County. The town is situate ...

Wielkopolska Cavalry Brigade Wielkopolska Cavalry Brigade (Polish: ''Wielkopolska Brygada Kawalerii'') was a cavalry unit of the Polish Army in the interbellum period. It was created on April 1, 1937 out of the Cavalry Brigade "Poznań". Its headquarters were stationed in Pozn ...

(''

Wielkopolska Greater Poland, often known by its Polish name Wielkopolska (; german: Großpolen, sv, Storpolen, la, Polonia Maior), is a historical region of west-central Poland. Its chief and largest city is Poznań followed by Kalisz, the oldest city ...

Brygada Kawalerii'') from

, *

Podolska Cavalry Brigade Podolska Cavalry Brigade (Polish: ''Podolska Brygada Kawalerii'') was a cavalry unit of the Polish Army in the interbellum period. It was created on April 1, 1937 out of the 6th Independent Cavalry Brigade. Its headquarters were stationed in Stani ...

('' Podolska Brygada Kawalerii'') from Stanisławów.

Prusy Army

Under gen.

Stefan Dąb-Biernacki Stefan Dąb-Biernacki (7 January 1890 – 9 February 1959) was a Polish commander who served as the commander of the Prusy Army during the invasion of Poland in 1939. Early career He was a member of the Polish Legions in World War I, and he late ...

. Created in the summer of 1939 as the main reserve of the Commander in Chief. According to the "Plan West" (''Plan Zachód'', code name for the Polish mobilization plan) it was to be composed of units mobilized as the second and third waves and its main purpose was to cooperate with the nearby armies "Poznań" and "Kraków". Mobilized in two groups. Because of fast German advance both groups entered combat separately and most units did not reach full mobilization. It consisted of 6 infantry divisions, 1 cavalry brigade and a battalion of tanks.

Warszawa Army

Created on September 10, 1939, from various units in

and

Modlin Fortress Modlin Fortress ( pl, Twierdza Modlin) is one of the largest 19th-century fortresses in Poland. It is located in the town of Nowy Dwór Mazowiecki in district Modlin on the Narew river, approximately 50 kilometers north of Warsaw. It was ori ...

area. Initially it consisted of approximately 25 infantry battalions and 40 tanks. Later it was reinforced by forces of Łódź Army and elements of Modlin Army. It was commanded by col.

Walerian Czuma Walerian Czuma (24 December 1890 – 7 April 1962) was a Polish general and military commander. He is notable for his command over a Polish unit in Siberia during the Russian Civil War, and the commander of the defence of Warsaw during the siege ...

, although the nominal commander was gen.

Operational Groups

Operational Group Wyszków

Was one of the reserves of the northern front of Polish defences, created on September 1, 1939. According to

Plan West Plan West ( pl, Plan Zachód) was a military plan of the Polish Army of the Second Polish Republic, for defence against invasion from Nazi Germany. It was designed in the late 1930s. Background While Józef Piłsudski was the dictator of Poland ...

, it was supposed to defend the line of the

river from

Wehrmacht The ''Wehrmacht'' (, ) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the ''Heer'' (army), the ''Kriegsmarine'' (navy) and the ''Luftwaffe'' (air force). The designation "''Wehrmacht''" replaced the previous ...

units advancing from

. Due to rapid German advance, the group withdrew towards the

Bug river uk, Західний Буг be, Захо́дні Буг , name_etymology = , image = Wyszkow_Bug.jpg , image_size = 250 , image_caption = Bug River in the vicinity of Wyszków, Poland , map = Vi ...

, and on September 11, Polish Commander in Chief

Edward Rydz-Śmigły Marshal Edward Rydz-Śmigły (11 March 1886 – 2 December 1941; nom de guerre ''Śmigły, Tarłowski, Adam Zawisza''), also called Edward Śmigły-Rydz, was a Polish politician, statesman, Marshal of Poland and Commander-in-Chief of Poland's ...

ordered General

Wincenty Kowalski Wincenty Kowalski (1892–1984) was a Polish military commander and a general of the Polish Army. A veteran of both World War I and World War II, he fought in all the inter-war conflicts of Poland. During the Invasion of Poland of 1939 he commanded ...

, commandant of Operational Group Wyszków, to merge his unit with Northern Front under General

. It consisted of the following units: *

1st Legions Infantry Division (Poland) Polish 1st Legions Infantry Division () was a tactical unit of the Polish Army between the World Wars. Formed on February 20, 1919, partially of veterans of the I Brigade of the Polish Legions, the unit saw extensive action during the Polish-Bol ...

(''1 Dywizja Piechoty Legionów'') from

Wilno Vilnius ( , ; see also #Etymology and other names, other names) is the capital and List of cities in Lithuania#Cities, largest city of Lithuania, with a population of 592,389 (according to the state register) or 625,107 (according to the munic ...

, * 35th Infantry Division (''35 Dywizja Piechoty'' – reserve), formed on September 7, 1939, out of units of the

from northern parts of the Wilno Voivodeship, * 41st Infantry Division (''41 Dywizja Piechoty'' – reserve), formed in September 1939, out of units of the

, * Bartosz Glowacki (armoured train), * elements of 2nd Regiment of Heavy Artillery.

Independent Operational Group Narew

Consisted of 2 infantry divisions and 2 cavalry brigades: * 18th Infantry Division ( pl, 18 Dywizja Piechoty) from

, * 33rd Infantry Division ( pl, 33 Dywizja Piechoty – reserve), formed in late August 1939, out of

units from the areas of

Grodno Grodno (russian: Гродно, pl, Grodno; lt, Gardinas) or Hrodna ( be, Гродна ), is a city in western Belarus. The city is located on the Neman River, 300 km (186 mi) from Minsk, about 15 km (9 mi) from the Polish b ...

and

, *

Podlaska Cavalry Brigade The Podlaska Cavalry Brigade (Polish: ''Podlaska Brygada Kawalerii'') was a military unit of the Polish Army, created on April 1, 1937. Its headquarters were in Białystok, and it was based on the ''Cavalry Brigade Białystok'', existing between Feb ...

( pl, Podlaska Brygada Kawalerii) from

Białystok Białystok is the largest city in northeastern Poland and the capital of the Podlaskie Voivodeship. It is the tenth-largest city in Poland, second in terms of population density, and thirteenth in area. Białystok is located in the Białystok Up ...

, *

Suwalska Cavalry Brigade Suwalska Cavalry Brigade (Polish: ''Suwalska Brygada Kawalerii'') was a cavalry unit of the Polish Armed Forces of the Second Polish Republic in the interbellum period. It was created on April 1, 1937, out of the 4th Independent Cavalry Brigade. I ...

( pl, Suwalska Brygada Kawalerii) from

Suwałki Suwałki ( lt, Suvalkai; yi, סואוואַלק) is a city in northeastern Poland with a population of 69,206 (2021). It is the capital of Suwałki County and one of the most important centers of commerce in the Podlaskie Voivodeship. Suwałki i ...

and

Independent Operational Group Polesie

Supporting forces

Air support * Lotnictwo Wojskowe (Polish Air Force) Naval and river support * Polska Marynarka Wojenna (Polish Navy)