博萨索（索马里语：Boosaaso）是索马里巴里州的一座港口城市，位于亚丁湾畔。

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Bosaso (Somali:Boosaaso, Arabic:بوساسو‎) is a city in the northeastern Bari province (gobol) of Somalia. Located on the southern coast of the Gulf of Aden, it serves as the region's commercial capital and is a major seaport within the autonomous Puntland state. Formerly known as Bandar Qasim, Bosaso's population is estimated at 700,000 residents. It is the third largest coastal city in the country after Mogadishu and Kismayo. While Bosaso is a melting pot, with residents hailing from all the major clans of Somalia, most of its population is from the Harti confederation of Darod sub-clans. It is the easternmost major city on the African continent.