WSIC 2021, also the 3rd WSIC, will be a hybrid (both offline and online) event which collaborates with SCSE and focuses on the topic “AIoT Invigorates Smart City”. WSIC 2021 will feature sessions on SIPA activities regarding smart city development with regional multilateral development banks including Asian Development Bank and European Bank for Reconstruction and Development. In addition, the 4 winners of 2021 Taiwan System Integration Award will further demonstrate that Taiwan has extensive experience and a solid foundation in system integration and international cooperation. And lastly, distinguished speakers from India, Indonesia Thailand and Vietnam, will also provide first-hand information on smart city needs and entry strategies for their respective markets.