No.
Scotland is part of the United Kingdom, and the United Kingdom is not part of the Schengen Area.
Romania was not included in the Schengen group.
If you have a Schengen Visa, you do not need a Visa to enter Switzerland. But, just make sure that you have this written "Schengen Estate" on the visa. It means that all Schengen countries are included in the visa. Anyway, once you enter Europe, nobody asks you about your visa or passport.
Yes it is. As long as you have a Serbian passport you are included in the schengen visa.
No because neither Albania or the United Kingdom (where Scotland is located) is in the Schengen Area.
Yes, Switzerland is part of the Schengen Area. Schengen visas are valid.
If you need a Schengen Visa it applies for all Schengen countries, this means that you can then travel freely within the Schengen area for the length of your visa.
No. Cyprus is not part of the Schengen Area. A Schengen visa is not valid in Cyprus.
Yes.If you need a Schengen Visa it applies for all Schengen countries, this means that you can then travel freely within the Schengen area as long as your visa remains valid.
Ukraine is not part of the Schengen Area. A Schengen visa is not valid in the Ukraine.
No, a Schengen visa is not valid for Istanbul. Istanbul is in Turkey, and Turkey is not part of the Schengen Area.
Yes, You need a separate visa for Turkey. Turkey is not part of the Schengen Area. Schengen visas are not valid.
Yes, with Schengen visa you can enter in Croatia.