The Yavoriv military base was attacked by Russian forces on 13 March 2022 as part of the Russian invasion of Ukraine in 2022. The base is located near the city of Yavoriv, Lviv Oblast, less than 15 miles from the border with Poland. According to Ukrainian officials, the military facility was hit by 30 Russian missiles, 35 ukrainian soldiers were killed and at least 100 people from international legion. others were injured. According to Russian officials, '180 foreign mercenaries' were killed. Later, the Ukrainian police confirmed 61 people were killed and 160 were injured.

Yavoriv is a city in the Lviv region of western Ukraine which is around 15 kilometers from the Polish border. It is the administrative centre of Yavoriv Raion and is situated approximately 50 kilometres west of the oblast capital, Lviv. Yavoriv hosts the administration of Yavoriv urban hromada, one of the hromadas of Ukraine. Its population is approximately 12,785.