The Scottish Government has updated details of which areas are covered by which Covid19 Protection Levels. With effect from 20/11/2020 Glasgow will be in Protection Level 4.
You can check which local authority area a place falls within by using the following post code checker - GOV.UK Postcode Checker
What do the different Protection Levels mean and where do they apply? This link will take you to the Scottish Government website for details - Protection Levels