Madmannah

dunghill, the modern el-Minyay, 15 miles south-south-west of Gaza (Josh 15:31; 1Chr 2:49), in the south of Judah. The Pal. Mem., however, suggest Umm Deimneh, 12 miles north-east of Beersheba, as the site.

EBD - Easton's Bible Dictionary