The countries that celebrate Halloween are mainly as follows: the Netherlands, the United Kingdom, Ireland, France, Germany, Belgium, Switzerland and other western countries and Australia, New Zealand, and North America.
On November 1, there will be a one-day holiday, and most commercial establishments nationwide will be closed on this day. Supermarkets are also not open.
It is a Polish tradition to return home to commemorate the ancestors on this day, no matter how far away. Similar customs exist in Slovakia, Lithuania, Croatia, Austria, and Germany.
It is a tradition to make Jack-o' Latern with pumpkin. But have you ever considered decorating your home with aluminum panels with the pattern of Jack or other characters? You should try that.
Anyway, happy Halloween and enjoy it.