Armenia - Yerevan Blue MosqueInteresting the mosque's ownership was given to Iran in 1995 by the Yerevan city authorities. In December 2015 the Armenian government made a decision to extend Iranian ownership of the mosque for 99 years. So Armenian Government has to ask approval from Iran before any nomination.
https://armenpress.am/eng/news/892386/armenia-to-submit-ancient-yereruyk-basilica-for -unesco-world-heritage-list.html