Gulf Of Georgia, an arm of the sea lying between Vancouver island and the mainland of British Columbia, between lat. 48° 50' and 50° K, and Ion. 122° 40' and 125° W. On the south it is connected with the strait of Juan de Fuca by Haro and Rosario straits, and on the north with Queen Charlotte sound. Howe sound and Jervis and Burrard inlets run from it into the mainland. Fraser river flows into it. Its length is about 100 m.; greatest breadth, 30 m. At each extremity of the gulf is an archipelago, and it contains several large islands.