The zones are located in the Idlib province, an area north of the city of Homs, in eastern Ghouta, and in southern Syria, and while they have taken effect, it will be about a month before all details of their establishment are finalized, Russian officials have said.
A memorandum is signed by Russia, Iran, and Turkey calling for de-escalation of the Syrian Civil War, although neither the Syrian government nor the Syrian opposition are signatories.