NET
11 On that day the lamentation in Jerusalem will be as great as the lamentation at Hadad Rimmon in the plain of Megiddo.
Darby
11 In that day shall there be a great mourning in Jerusalem, as the mourning of Hadad-rimmon in the valley of Megiddon.
KJV
11 In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.