Scotland is part of the United Kingdom. You do not need a visa, or any other travel document, to enter Scotland from another part of the UK.
If you are entering Scotland from outside the UK, the answer depends on your nationality.
All EU citizens, and all Schengen area citizens can enter the UK without a visa.
Citizens of some other countries can enter without a visa for up to 3 months. If in doubt, it is best to ask at your local UK embassy.
Scotland is the UK. I think this answers your question!
Scotland is part of the UK so you won't have to produce your visa in Scotland unless you are arriving there directly from a country outside the EU,
Yes
Scotland is a country that is part of Britain, the United Kingdom (UK). You will need a UK visa to visit before departure.
No need for a visa, as the UK is a participant in the Visa Waiver Program.
Scotland is part of the United Kingdom so if you have a UK visa you will be able to visit Scotland. Just to clarify, once you have cleared immigration and are on UK soil, you won't have to produce your visa again but hotels might want to see your passport.
NO, in most cases you do not need a visa to come to the UK for a short visit
Northern Ireland is part of the UK so your UK visa is valid.
no
No UK citizens do not need a visa to go to Singapore just like Singaporeans do not need a visa to enter UK
No - you still need a visa to enter the UK !
No, but depending on your nationality, you may not need a visa.
South Africans require a visa to enter the UK, but it is not a difficult process to get one; just start the process in good time. You may not know that South Africans now require a visa just to transit through a UK airport.
no