A procession in the centre of Tbilisi was the highlight of festivities in the Georgian capital. Celebrations also took place in Russia and among Orthodox communities world-wide.
It is difficult to say that the year has been an entirely good one for any of the countries in the region. Commonspace.eu looks back at the year 2015 in the South Caucasus.
In his opening remarks the Prime Minister of Serbia, Alexander Vucic, urged participants to work together to strengthen the principles of the Helsinki Final Act.
The latest events further complicate the situation in the region, and all South Caucasus states must be hoping for a de-escalation of tension as soon as possible.
Ambassador Herbert Salber was first appointed as EUSR for the South Caucasus and the crisis in Georgia on 8 July 2014. His term is now extended until February 2017.