Most of Cundinamarca is on the Eastern Cordillera (Cordillera Oriental), just south of Boyacá, bordered by the Magdalena River on the west, reaching down into the Orinoco River basin on the east, and bordering on Tolima to the south. The capital district of Bogotá is nearly completely surrounded by Cundinamarca territory and was formed by carving up Cundinamarca. Because of this and other border changes, the present department of Cundinamarca is much smaller than th…