Apart from general drone laws - what are your experience of flying in those three countries?

Is it generally allowed or is it bad idea to fly in urban areas, national/ nature parks?

I'll be greatful for any do/ do not tips.

Thank you.

Apart from general drone laws - what are your experience of flying in those three countries?

Is it generally allowed or is it bad idea to fly in urban areas, national/ nature parks?

I'll be greatful for any do/ do not tips.

Thank you.