Kryvyi Rih, also known as Krivoy Rog, is a city in central Ukraine. It hosts the administration of Kryvyi Rih Raion and its subordinate Kryvyi Rih urban hromada in Dnipropetrovsk Oblast. The city is part of the Kryvyi Rih Metropolitan Region. Its population is estimated at 603,904, making it the seventh-most populous city in Ukraine and the second largest by area. Kryvyi Rih is claimed to be the longest city in Europe.