The Republic of Armenia is located in the South Caucasus. Its current area is 29800 sq.m. km. It is located at an average altitude of 1800 m above sea level. Armenia borders Georgia to the north, Iran to the south, Turkey to the west, and Azerbaijan to the east. The highest peak here is Mount Aragats, 4090 m high, the lowest is the Debed River gorge (400 m). The capital of the Republic of Armenia is the oldest city in the world, Yerevan, which is about 29 years older than Rome. In 2018, Yerevan celebrated the 2800th anniversary of its foundation with great pomp and many events. Armenia is the first country in the world to adopt Christianity as a state religion. The Armenian Apostolic Church is considered one of the oldest national churches and Christian communities. The care center is the Mother See of Holy Echmiadzin.