Hong Kong, a hub for international trade and investment, has one of the world’s most thriving economies. The vision of the smart city development in Hong Kong is to embrace innovation and technology to build a world-famed Smart Hong Kong characterised by a strong economy and high quality of living. The Lands Department of Hong Kong SAR Government (Lands Department) has provided free map API services, digital map and imageries to promote the sharing and application of spatial data, which is essential to the development of spatial data infrastructure and smart city in Hong Kong.