Under the Basic Law, the Hong Kong Special Administrative Region is exclusively in charge of its internal affairs, whilst the central government of China is responsible for its foreign affairs and defence. As a separate customs territory, Hong Kong maintains and develops relations with foreign states and regions, and plays an active role in such international organisations as World Trade Organization (WTO) and the Asia-Pacific Economic Cooperation (APEC) in its own right under the name of Hong Kong, China. Hong Kong participates in 16 projects of United Nations Sustainable Development Goals.
The Group of Eight (G8) was an intergovernmental political forum from 1997–2014. It had formed from incorporating Russia into the G7, and returned to its previous name after Russia was expelled in 2014.
Asia-Pacific Economic Cooperation is an inter-governmental forum for 21 member economies in the Pacific Rim that promotes free trade throughout the Asia-Pacific region. Following the success of ASEAN's series of post-ministerial conferences launched in the mid-1980s, APEC started in 1989, in response to the growing interdependence of Asia-Pacific economies and the advent of regional trade blocs in other parts of the world; it aimed to establish new markets for agricultural products and raw materials beyond Europe. Headquartered in Singapore, APEC is recognized as one of the highest-level multilateral blocs and oldest forums in the Asia-Pacific region, and exerts significant global influence.
The G20 or Group of 20 is an intergovernmental forum comprising 19 sovereign countries, the European Union (EU), and the African Union (AU). It works to address major issues related to the global economy, such as international financial stability, climate change mitigation and sustainable development, through annual meetings of Heads of State and Heads of Government.
The 2015 G20 Antalya summit was the tenth meeting of the G20 heads of government/heads of state. It was held in Belek, Antalya Province, Turkey. The venue for the Leaders Summit was Regnum Carya Hotel Convention Centre at the Regnum Carya Golf & Resort Spa.
The 2013 G20 Saint Petersburg summit was the eighth meeting of the G20 heads of government/heads of state. The hosting venue was the Constantine Palace in Saint Petersburg, Russia.
The 2016 G20 Hangzhou summit was the eleventh meeting of the Group of Twenty (G20). It was held in the city of Hangzhou, Zhejiang. It was the first ever G20 summit to be hosted in China and the second in an Asian country after 2010 G20 Seoul summit was hosted in South Korea.
The 2018 G20 Buenos Aires Summit was the thirteenth meeting of the Group of Twenty (G20), held in the city of Buenos Aires, Argentina. It was the first G20 summit to be hosted in South America.
The 2017 G20 Hamburg summit was the twelfth meeting of the Group of Twenty (G20), held at Hamburg Messe in the city of Hamburg. it was the first time Germany hosted the summit.
The 2020 G20 Riyadh summit was the fifteenth meeting of the Group of Twenty (G20). It was scheduled to take place in Riyadh, the capital city of Saudi Arabia. However, due to the COVID-19 pandemic, it was held virtually.
APEC Papua New Guinea 2018 was the year-long hosting of Asia-Pacific Economic Cooperation (APEC) meetings in Papua New Guinea.
APEC Malaysia 2020 was the year-long hosting of Asia-Pacific Economic Cooperation (APEC) meetings in Malaysia from December 2019 until November 2020. Due to the COVID-19 pandemic, most of the meetings were held virtually, including the culminating Economic Leaders' Meeting.
The extraordinary G20 summit on COVID-19 is a G20 leaders' summit was held virtually via a video conference on 26 March 2020. The extraordinary G20 summit was called and chaired by King Salman of Saudi Arabia to support a coordinated global response to the COVID-19 pandemic.
The 2021 G20 Rome summit was the sixteenth meeting of the Group of Twenty (G20), a Head of State and Government meeting held in Rome, the capital city of Italy. It was the first G20 summit hosted by the country.
The 2022 G20 Bali summit was the seventeenth meeting of Group of Twenty (G20), a Head of State and Government meeting held in Nusa Dua, Bali, Indonesia. It was the first G20 summit hosted by Indonesia.
The 48th G7 summit was held from 26 to 28 June 2022 in Schloss Elmau, Krün, Bavarian Alps, Germany. Germany previously hosted a G7 summit in 2015 at Schloss Elmau.
APEC 2022 Thailand was the year-long hosting of Asia-Pacific Economic Cooperation (APEC) meetings in Thailand that took place in 2022. Thailand previously hosted APEC meetings in 2003 and 1992.
The 2023 G20 New Delhi summit was the eighteenth meeting of the G20, a Head of State and Government meeting held at Bharat Mandapam, Delhi on 9–10 September 2023. It was the first G20 summit held in India.
The 2024 G20 Rio de Janeiro summit was the nineteenth meeting of Group of Twenty (G20), a Heads of State and Government meeting held at the Museum of Modern Art in Rio de Janeiro from 18–19 November 2024. It was the first G20 summit to be hosted in Brazil. Additionally, It marked the first full G20 summit with the African Union as a member, following its inclusion during the previous summit in 2023.
The 49th G7 summit was held from 19 to 21 May 2023 in the city of Hiroshima in Hiroshima Prefecture.
Japan 
United Nations 
WTO 
ASEAN 
Asian Development Bank 
International Labour Organization 
Organisation for Economic Co-operation and Development 
Financial Stability Board 
World Health Organization 
World Bank 
