Lviv is the largest city in western Ukraine, as well as the sixth-largest city in Ukraine, with a population of 717,500. It serves as the administrati…Lviv is the largest city in western Ukraine, as well as the sixth-largest city in Ukraine, with a population of 717,500. It serves as the administrative centre of Lviv Oblast and Lviv Raion, and is one of the main cultural centres of Ukraine. Lviv also hosts the administration of Lviv urban hromada. It was named after Leo I of Galicia, the eldest son of Daniel, King of Ruthenia.