8 Kiev - Ukraine
One of the oldest cities in Eastern Europe, Kiev is an important industrial, scientific, educational, and cultural centre of Europe. Also renowned as 'the Green City', Kiev is the capital and the largest city in Ukraine. With extensive infrastructure and highly developed transport system, this city holds a number of world famous destinations such as the 100-year old Kiev Zoo for children, botanical gardens and a mesmerizing view of horse-chestnut trees lined up across the sides of every avenue.