Yildirim made the announcement during a televised interview on Wednesday, stressing that the operation had been "successful" and that any further military measures in Syria would by conducted under a different name.
He refrained from elaborating on whether Turkish forces would be withdrawn from northern Syria.
"From now on if there is anything that threatens our security, either ISIS or any other (group), and if we take another action, that will be a new operation," he added.
His announcement was made following a Turkish National Security Council (NSC) meeting chaired by Turkish President Recep Tayyip Erdogan.
"It was noted that Operation 'Euphrates Shield' which was started with the goal of ensuring national security, preventing the threat from ISIS and return of Syrian refugees to their homes has successfully completed," read an NSC statement.
The development comes a day ahead a visit to Turkey by US Secretary of State Rex Tillerson, who is set to meet with Erdogan on Thursday.
In August 2016, Turkey began the major military intervention in Syria, sending tanks and warplanes across the border. Ankara claimed that its military campaign was aimed at pushing ISIS from Turkey's border with Syria and stopping the advance of Kurdish forces, but Damascus denounced the operation as a breach of its sovereignty.
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Turkey has officially ended the "Euphrates Shield" military operation it launched in Syria last August, Prime Minister Binali Yildirim said on Wednesday, but suggested there might be more cross-border campaigns to come.
30 March 2017 - 08:02
News ID: 820837