Polish–Ukrainian War
Part of the Ukrainian War of Independence
PBW March 1919.png
The map showing breaking the siege of Lviv (Lwów) by Poles (November 1918) and the Polish border at the Zbruch (Zbrucz) River by the war's end, with Eastern Galicia (shown in blue) under the Polish control.
Date 1 November 1918 – 17 July 1919
(8 months, 2 weeks and 2 days)
Location Eastern Galicia, Carpathian Ruthenia, Volhynia, Bukovina, modern-day Ukraine, Poland, Romania
Result Polish victory, signing of Treaty of Warsaw; starting of Polish–Soviet War
Belligerents

Poland Poland


Regional support
Romania Romania (in Bukovina and Pokuttia)
Russian Soviet Federative Socialist Republic Russia (in Volhynia and Polissya)


Only police troops (Carpathian Ruthenia)
Polish–Ukrainian War Hungary
Polish–Ukrainian War Czechoslovakia


Strategic support

Polish–Ukrainian War France

Polish–Ukrainian War Ukraine (before Jan.1919 West Ukraine and Dnieper Ukraine)


Regional pro-Ukrainian movements
Polish–Ukrainian War Hutsul Republic (in Maramureș)

Polish–Ukrainian War Komancza Republic (until Jan.1919 in Lemkivshchyna)
Commanders and leaders

Poland Józef Piłsudski
Poland Józef Haller
Poland Waclaw Iwaszkiewicz

Poland Edward Rydz-Śmigły

Polish–Ukrainian War Yevhen Petrushevych
Polish–Ukrainian War Oleksander Hrekov
Polish–Ukrainian War Mykhailo Omelianovych-Pavlenko

Polish–Ukrainian War Symon Petliura
Strength

Poland Polish forces: 190,000
Romania Romanian forces: 4,000

Hungarian People's Republic (1918–19) Hungarian forces: 620+

Polish–Ukrainian War West Ukrainian People's Republic 70,000–75,000 or over 100,000
Polish–Ukrainian War 35,000
Polish–Ukrainian War Hutsul Republic 1,100

Polish–Ukrainian War Komancza Republic 800
Casualties and losses
10,000 15,000