Which one is correct?
I will stay here until the middle of August. Then I’m going on holiday to the South of Scotland.

I'm going to stay here until the middle of August. Then I’m going on holiday to the South of Scotland.

I am staying here until the middle of August. Then I’m going on holiday to the South of Scotland.

Question

Which one is correct?
I will stay here until the middle of August. Then I’m going on holiday to the South of Scotland.

I'm going to stay here until the middle of August. Then I’m going on holiday to the South of Scotland.

I am staying here until the middle of August. Then I’m going on holiday to the South of Scotland.

Answer

All the three sentences have different and subtle meanings about your intention.  Without context, they are all acceptable.  However, "going for a holiday IN SOUTH SCOTLAND" or "in southern part of Scotland" would be proper English.

Answer

I think the 3rd answer is the clearest. But the others would work too.

Answer

They are all similar but are used depending on how long you have been here. #1 does not sound correct when speaking, #2 You would use only if you have just arrived here. #3 is as though you have already been here for at least a few days.

Answer

As Mr Abdul says, little difference.

Answer

all of them give a very similar meaning