For 10 points, name this small city-state in Southeast Asia.
The Fountain of Wealth is located in this city's Suntec City mall, and the Marina Bay Sands resort in this city is the most expensive building in the world. This city is home to the first nocturnal zoo, the Night Safari. Many of this city's petrochemical companies are based on its artificial island of Jurong. The Kallang River flows through this city's biodiverse Bishan Park. Stamford Raffles founded this city, which is separated from Malaysia by the Straits of Johor. For 10 points, name this small city-state in Southeast Asia.
The Fountain of Wealth is located in this city's Suntec City mall, and the Marina Bay Sands resort in this city is the most expensive building in the world.
Republic of Singapore [or Xinjiapo Gongheguo; or Republik Singapura; or Cingkappur Kudiyarasu]