On 18 February 2019, China released the 'Development Plan Outline for the Guangdong-Hong Kong-Macao Greater Bay Area (GBA)'. This study presents the most up-to-date analysis on the GBA, including its history, importance and institutional arrangement; its significance vis-à-vis the integration of Hong Kong and Macau to China, to the One Belt One Road initiative, to the Made in China 2025 plan and to China's wider economicgrowth; and offers a prediction on the GBA's future and the challenges ahead.