First, I'm pretty sure your wife doesn't appreciate being called a subject..
Now that that's out of the way, All countries have different visa requirements. For example, the UK, you do not need a visa, but they do have the right not to let you in and send you back. The smart thing to do is check the laws in the country that you will land in. When you're in the EU, travelling from country to country is not a problem.
Now that that's out of the way, All countries have different visa requirements. For example, the UK, you do not need a visa, but they do have the right not to let you in and send you back. The smart thing to do is check the laws in the country that you will land in. When you're in the EU, travelling from country to country is not a problem.