Complex sentence: From the North-West Cherkasy is surrounded by forest-Cherkaskiy Bir (Cherkasy Forest), which is the biggest (28,500 hectares) natural pine forest in Ukraine.
Split into simpler sentences: From the North-West Cherkasy is surrounded by forest. Known as Cherkaskiy Bir (Cherkasy Forest), it is the biggest (28,500 hectares) natural pine forest in Ukraine.