According to the Turkish President Recep Tayyip Erdoğan, the operation is intended to expel the SDF—viewed as a terrorist organization by Turkey due to its ties with the Kurdistan Workers Party (PKK), but considered an ally against ISIL by the United States and its allies—from the border region as well as to create a 30 km-deep (20 mi) "safe zone" in Northern Syria where some of the 3.6 million Syrian refugees in Turkey would resettle.