Singapore - Singapore, officially the Republic of Singapore, is an island country located at the southern tip of the Malay Peninsula. It lies 137 kilometres (85 mi) north of the equator, south of the Malaysian state of Johor and north of Indonesia's Riau Islands. At 707.1 km² (273.0 sq mi), Singapore is one of three remaining true city-states in the world. It is the smallest nation in Southeast Asia. The population of Singapore is approximately 4.59 million.[2] Though Singapore is highly cosmopolitan and diverse, ethnic Chinese form the majority of the population. English is the administrative language of the country.