Korostiv is a village located in Stryi Raion (district) of Lviv Oblast (province) in western Ukraine. It is situated 118 kilometres (73 mi) from the regional center Lviv, 9 kilometres (5.6 mi) from the city of Skole, and 152 kilometres (94 mi) from Uzhhorod. Korostiv belongs to Skole urban hromada, one of the hromadas of Ukraine.