[German version] (Μεσήνη, Hebr.
Maišān, Mid. Pers.
Maysān). A designation for southernmost Mesopotamia, attested since Hyspaosines and used into Islamic times (corresponding approximately to the ‘Sealand’ of the older period, that is, the 2nd and 1st millenium BC). It is also used to form an ethnic term for the inhabitants of the region. The precise extent of the area, located in the region of the confluence of the Tigris and the Euphrates, varies in the sources (Str. 2,1,31; 16,1,8; 16,3,3; Plin. HN 6,129; 131f.; Steph. Byz. s.v. Mesene; cf. also