The Gambia less than wide at its widest point, with a total area of . About (11.5%) of the Gambia's area are covered by water. It is the smallest country on the African mainland. In comparative terms, the Gambia has a total area slightly less than that of the island of Jamaica. Senegal surrounds the Gambia on three sides, with of coastline on the Atlantic Ocean marking its western extremity. The present boundaries were defined in 1889 after an agreement between the United Kingdom and France. During the negotiations between the French and the British in Paris, the French initially gave the
ECOWAS military intervention in the Gambia Yahya Jammeh refusing to step down after losing the December 2016 presidential election, and set 19 January 2017 as the date the troops would move into the Gambia if Jammeh continued to refuse to step down. The operation was codenamed "Operation Restore Democracy". ECOWAS forces were amassed around the borders of the Gambia, and Marcel Alain de Souza, the president of ECOWAS, said, "By land, sea and air, Gambia is surrounded. A total of 7,000 men will participate in the mission to re-establish democracy in Gambia." In contrast, the entire armed forces of the Gambia numbered only about 2,500 troops.