No, EU citizens can enter Bosnia visa free
It depends on which country you come from, as some EU countries are visa-free to the US while others are not.
No, British passport holders do not need a visa to Austria. Same goes for all EU citizens, and Swiss citizens.
Valid passport with visa; or identification card for EU countries citizens.
US and Canadian Citizens don't need a visa to visit any EU country for less than 3 months total time in each country
Well it depends where you are from, doesn't it? Generally most EU citizens don't need a visa to visit Montenegro. No idea about other countries though.
No, but a valid Passport and Visa for France or Spain is required.
Citizens of the EU enjoy the ability to travel freely to all EU countries without needing a visa. Also, EU citizens enjoy the low prices resulting from trade agreements among EU countries.
All countries in the EU
EU citizens don't need a passport to go to Poland, all other people do. Some also need a visa.
If you are a Finnish national then you do not need a visa to travel to the United Kingdom. Both Finland and the UK are members of the European Union in which there is a free travel agreement. Citizens of any EU member state can travel visa-free to any other EU member state.
Whether you require a visa to travel to Switzerland depends on your nationality. Citizens of EU and other Schengen countries can travel to Switzerland with no restrictions. Citizens of many other countries automatically get a 90 day entrance when they arrive. Other citizens need a visa, which is normally granted for 90 days.