Montenegro is not a part of the Schengen Area, therefore a Schengen visa is not valid in Montenegro.
Note Montenegro does not border on any Schengen countries, so unless you are flying there from a Schengen country, you may need a visa for whatever country you travel through.
Montenegro is not a member of the Schengen Area, Schengen visas are not valid.
Yes,Both Switzerland and Spain are members of the Schengen Area. A tourist visa for one Schengen country is valid for all Schengen countries.
Yes,Both Switzerland and Germany are members of the Schengen Area. A tourist visa for one Schengen country is valid for all Schengen countries.
No difference. Poland is part of the Schengen area, all Polish tourist visas are automatically Schengen visas, and all Schengen tourist visas issued by other Schengen countries are valid in Poland.
No. Morocco is not part of the Schengen Area.
Yes, Poland is part of the Schengen Area and Schengen visas are valid.
No, the United Kingdom is not part of the Schengen Area. Schengen visas are not valid.
Yes, Poland is part of the Schengen Area and Schengen visas are valid.
No, a Schengen visa is not valid for Istanbul. Istanbul is in Turkey, and Turkey is not part of the Schengen Area.
No you will be unable to gavel if the dates are not valid.
YesFuerteventura is in Spain, and Spain is part of the Schengen Area, so a Schengen visa is valid for anywhere in Spain.
I assume you mean you are a non-EU citizen who has a work permit for Denmark. In this case you can travel freely to any other Schengen country as a tourist, but you cannot work there. Your Danish work permit is only valid in Denmark