Europe is now very close to have 49 states.
The concept of European state is based on the signatories of the European Cultural Convention of the Council of Europe. At this moment, 48 countries are signatories of this convention.
Therefore, after the independence of Montenegro, the list of European states shall be the following:
Albania / Andorra / Armenia / Austria / Azerbaijan / Belarus / Belgium / Bosnia and Herzegovina / Bulgaria / Croatia / Cyprus / Czech Republic / Denmark / Estonia / Finland / France / Georgia / Germany / Greece / Holy See / Hungary / Iceland / Ireland / Italy / Latvia / Liechtenstein / Lithuania / Luxembourg / Malta / Moldova / Monaco / Montenegro / Netherlands / Norway / Poland / Portugal / Romania / Russian Federation / San Marino / Serbia / Slovakia / Slovenia / Spain / Sweden / Switzerland/ ”The former Yugoslav Republic of Macedonia” / Turkey / Ukraine / United Kingdom
(*) The map above represents the member countries of the Council of Europe. From the list above, Serbia and Montegro represent nowadays one single member state, Belarus is a candidate for membership and the Holy See is an Observer to the Committee of Ministers.