Russia shares borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland, Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea. It also has maritime borders with Japan (by the Sea of Okhotsk) and the United States (by the Bering Strait).

Brazil was a colony of Portugal and is the largest country in South America and the only Portuguese-speaking country in the Americas It is the fifth largest country by geographical area and the fifth most populous country in the world.

Is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea. With a population of over 86 million, Vietnam is the 13th most populous country in the world.