Armenia is located in the South Caucasus region. Yerevan is the capital and largest city of Armenia. The Republic of Armenia is a sovereign, democratic, social and legal country. Armenia was the first nation to adopt Christianity as a state religion, an event traditionally dated to AD 301. The climate in Armenia is marked as highland continental. Summers are dry and sunny with temperatures up to 35 degree Celsius and winters are cold with temperatures up to -5 degree Celsius. A great number of foreign students from India, Nepal, Sri Lanka, the USA and Russia study together with Armenian students. The YSMU which is a government university is ranked among famous higher Medical Institutions and takes its honourable place in the World Directory of Medical Schools published by the WHO.