(the acacias), the place of Israel’s encampment between the conquest of the transjordanic highlands and the passage of the Jordan. (Numbers 25:1; 33:49; Joshua 2:1; 3:1; Micah 6:5) Its full name appears to be given in the first of these passage --Abel has-Shittim, "the meadow, or moist place, of the acacias." it was "in the Arboth-moab, by Jordan-Jericho," (Numb 22:1; 26:3; 31:12; 33:48,49 That is to say, it was in the Arabah or Jordan valley, opposite Jericho.
Smith’s Bible Dictionary
Shittim
Smith’s Bible Dictionary, William Smith (1863). Public domain, from the CrossWire SWORD module.