Scotland is the country where Callum lives and where his house and Nessie's lake are situated. It is visited by Jett and Mira in the episode Bubble Trouble and once again this time by Astra and Flip in Loch Ness on Ice.
What Jimbo says about it
Jimbo says that Scotland is a country that is part of the United Kingdom and people there sometimes wear skirts called kilts, boys, too. He states that it is a scottish traditional outfit. In addition, Jett notices that Scotland has a lot of green grass and that there are sheeps, too.