Azerbaijani President Ilham Aliyev and Armenian Prime Minister Nikol Pashinyan will meet on Friday in Vienna, according to a statement from Azerbaijan's Foreign Ministry on Wednesday.
The two sides will discuss the settlement of the Armenia-Azerbaijan Upper Karabakh conflict in a meeting organized upon the proposal of the Organization for Security and Co-operation in Europe (OSCE) Minsk Group co-chairs, the statement said.
The Minsk group -- co-chaired by France, Russia and the U.S. -- was formed to find a peaceful solution to the conflict between the two countries.
Aliyev and Pashinyan last met on Jan. 22 in Davos, Switzerland where the two leaders were attending the 49th World Economic Forum.
Pashinyan, a former journalist, became Armenia's new prime minister in the second round of the parliamentary elections in May 2018.
Karabakh – a disputed territory between Azerbaijan and Armenia – broke away from Azerbaijan in 1991 with military support from neighboring Armenia, and a peace process has yet to be implemented.
Three UN Security Council resolutions (853, 874 and 884) and UN General Assembly resolutions 19/13 and 57/298 refer to Karabakh as being part of Azerbaijan.
The Parliamentary Assembly of the Council of Europe refers to the region as being occupied by Armenian forces.
The Armenian occupation of Upper Karabakh led to the closing of the frontier with Turkey, which sides with Baku in the drawn-out dispute.
Political ties between Ankara and Yerevan remain frozen owing to the Karabakh conflict as well as the legacy of killings during the First World War, which the Armenian diaspora and government describe as “genocide” – a description which Turkey refutes.
Turkey reiterates that the dispute needs to be resolved within the framework of international law and Azerbaijan's sovereignty and territorial integrity.