
The talks on Oct 5 in Grenada will include French president Emmanuel Macron, German chancellor Olaf Scholz, and European Council chief Charles Michel, the Armenian security council said in a statement, adding that officials will meet to prepare the talks next week.
France, Germany and the European Union have been key players in attempts to resolve the decades-long conflict over Nagorno-Karabakh.
The ethnically Armenian region is internationally recognised as part of Azerbaijan, but has been run by a separatist administration for three decades.
The rebels agreed to disarm under the terms of a ceasefire reached on Wednesday.
Pashinyan and Aliyev last met in July in Brussels.