On October 17, 2022, the President of the Gabonese Republic, His Excellency Ali Bongo Ombimba, took part in the ceremony of raising the Gabonese flag at the headquarters of the Commonwealth, located at Marlborough House in the center of the British capital, symbolizing the completion of the accession of the Gabonese Republic to the said intergovernmental organization initiated on June 25 in Kigali, Rwanda, during the Summit of Heads of Government of the Member States.Gabonese Republic to the said intergovernmental organization started on June 25 in Kigali, Rwanda, during the Summit of the Heads of Government of the Member States. Indeed, Gabon has many assets to integrate the Commonwealth. These include its commitment to climate change and sustainable development policies, the country's stability over many decades and its commitment to the stability of the sub-region and the continent, and Gabon's commitment to human rights and gender equality. This book highlights the diplomatic, economic, commercial, socio-cultural, etc. stakes of Gabon's membership in the Commonwealth