
Up north
Directional Use
Often implies a movement towards a specific northern destination or area within a country.
Every winter, birds migrate up north.
Cultural Identity
Can suggest a lifestyle or community typical of the northern region being referenced.
They embrace the cold living up north.
Geographic Relative
Its meaning can vary depending on the speaker's current location; more north than one's current position.
I'm down south now, but I'll head up north soon.