Brunei is 5.2 times larger than Hong Kong.
Area: 5,765 km2 World Factbook
Population: 422,675 (July 2014) World Factbook
Brunei, broo-NY or broo-NAY; officially the Nation of Brunei, the Abode of Peace, is a sovereign state located on the north coast of the island of Borneo in Southeast Asia. Wikipedia
Area: 1,104 km2 World Factbook
Population: 7,112,688 (July 2014) World Factbook
Hong Kong, alternatively known by its initials H.K., is a former British Colony and is currently a Special Administrative Region of the People's Republic of China, enclosed by the Pearl River Delta and South China Sea. Wikipedia