The Mumbler Website is full of festive inspiration:
Christmas page: https://york.mumbler.co.uk/school-holidays/christmas/
Places to see Santa: https://york.mumbler.co.uk/school-holidays/places-to-see-santa/
Panto & Festive Shows: https://york.mumbler.co.uk/school-holidays/pantomime-festive-show/
Christmas Fairs & Shopping: https://york.mumbler.co.uk/school-holidays/christmas-fairs-and-shopping-events/