Montreal City Hall as Paris Peace Accords
Magneto fights in front of a fountain during the signing of the pace accords.
Source: YouTube
X-Men: Days of Future Past Filming Locations
The X-Men travel back from a post-apocalpytic future to stop the formation of the Sentinel program which led to the end of the world.
See also: X-Men, X2, The Last Stand, First Class, & Apocalypse.
X-Men: Days of Future Past was filmed in Montreal in Canada.