Kingdom of Hadhramaut (violet) in the 3rd century CE during the Sabaean-Himyarite war, it was eventually annexed by the Himyarite Kingdom.
Location of the Heart. Heart is located safely inside the chest cavity which looks like a cage bound by the ribs and breast bone (sternum). The chest cavity is also called as thoracic cavity and it lies between neck and abdomen.
The sternum, or breastbone, is a flat bone at the front center of the chest. The ribcage protects the lungs, blood vessels, and heart, along with parts of the spleen, stomach, and kidneys from traumatic injury. The sternum is attached to the first seven ribs and also to the clavicle, or collarbone.