Canada

Canada (カナダ) is the second-largest country in the world, located in North America and bordered to the south by the United States of America.

Background
The Universe of the Heart Research Room is located in Moosonee, Canada. Being a former territory of the British Empire, Canada is a member of the.

Toaru Majutsu no Index Light Novel Volume SS2
On the Second Friday of October, when the Sisters were dispatched to destroy the facilities of the Gemstone Mining research organizations around the world and rescue the gemstones imprisoned there, Misaka 16836 was sent to the Universe of the Heart Research Room in Moosonee, Canada. During her progress report, she mentioned that she had just succeeded in cutting all power, including the emergency generators of the facility.

Aleister Crowley Arc
On December 11th, Canada and the other countries of the British Commonwealth, including the United Kingdom itself, came under attack from Aleister Crowley's manifested alternate selves.