The smallest country in Europe is Vatican City. The Vatican is only .2 square miles. It is not only the smallest country in Europe, but in the world.
The Vatican is the religious capital for the Catholic faith. The city was ratified as a country in 1929 after the signing of the Lateran Pact and is located just off the bank of the Tiber river. Prior to the Vatican being located on the hill along the river, there was a Roman circus located there and many Christians were martyred inside its walls. It is also the burial site of Saint Peter. The city is partially surrounded by walls and has five entrances.