Edinburgh - Golf City!!!

[HughJars]

If you use Ryan Airs loose geographical accuracy (GLASGOW Prestwick 25+ miles from Glasgow) then you could say that Glasgow has nearer 60-70.

Aberdeen has about 36 by my reckoning using your 25 mile radius, shame half of that is lost to the north sea

 

[CannyFifer]

I think Fife has over 50, including 5 Championship courses.