Which country is located on both sides of the world

The country which located on both of the sides of the world is Russia.

Explanation:

Russia is the country which can be seen on both sides of the world. The reason being, that the total covered area by the nation of Russia is the largest in the world.

It covers most of the northern part of Asian continent and has coverage of Eastern Europe as well. It can be seen conjointly towards the American continent as well.

And therefore, though the world is round, when taken sides of, comes Russia can view as the country on both the sides.

Answer: norway