Treasury of Scripture Knowledge
Summary
                            Then there came some that told Jehoshaphat, saying, There cometh a great multitude against thee from beyond the sea on this side Syria; and, behold, they be in Hazazontamar, which is Engedi.                        
                    Beyond the sea
Hazazon-tamar
Bible References
Beyond the sea
                                        Genesis 14:3                                        
                                                                                                                                All of these came as allies to the Valley of Siddim (that is, the Dead Sea).  
                                    
                                        Numbers 34:12                                        
                                                                                                                                Then the border will go down to the Jordan and end at the Dead Sea. This will be your land defined by its borders on all sides.” 
                                    
                                        Joshua 3:16                                        
                                                            
                        and the water flowing downstream stood still, rising up in a mass that extended as far as Adam, a city next to Zarethan. The water flowing downstream into the Sea of the Arabah (the Dead Sea) was completely cut off, and the people crossed opposite Jericho.   
                                    Hazazon-tamar
                                        Genesis 14:7                                        
                                                            
                        Then they came back to invade En-mishpat (that is, Kadesh), and they defeated all the territory of the Amalekites, as well as the Amorites who lived in Hazazon-tamar.