Parliament Hill city (6)
I believe the answer is:
ottawa
(Other definitions for ottawa that I've seen before include "The capital of Canada (6)" , "Canadian city" , "North American city" , "Canadian capital" , "N. American city" .)
I believe the answer is:
ottawa
(Other definitions for ottawa that I've seen before include "The capital of Canada (6)" , "Canadian city" , "North American city" , "Canadian capital" , "N. American city" .)