The city-state in Southeast Asia consists of the island of Singapore and about 54 smaller islands. The mai nisland is linked by a causeway to the southern tip of the Malay Peninsula.
Singapore, officially the Republic of Singapore, is situated 137 km (85 mi) north of the equator, and just south of Peninsular Malaysia. In south the Strait of Singapore separates the island from the Riau Archipelago of Indonesia.

Singapore occupies an area of 718 km², compared, it is slightly larger then one fourth of Luxembourg or also slightly larger than 3.5 times the size of the District of Columbia, Washington, DC.