Commentary for Kiddushin 143:5
אמר רב איקא בר אבין אמר רב חננאל אמר רב חלזון ניהוונד הרי היא כגולה ליוחסין א"ל אביי לא תציתו ליה יבמה היא דנפלה ליה התם א"ל אטו דידי היא דרב חננאל היא אזיל שיילוה לרב חננאל אמר להו הכי אמר רב חלזון ניהוונד הרי היא כגולה ליוחסין
R'Isaac Nappaha<span class="x" onmousemove="('comment',' Or, the smith.');"><sup>15</sup></span> stood up on his feet and declared: Shot-Mishot lies between the rivers.<span class="x" onmousemove="('comment',' Jast. observes: between the Euphrates and the Tigris. Obermeyer. pp. 100-1, thinks this altogether unlikely. 'Between the rivers' is the Talmudic idiom for a region of island formation, and here applies to the Euphrates region from Hit (Ihi de Kira) to Anah.');"><sup>16</sup></span> And what if it is situated between the rivers? - Said Abaye in the name of R'Hama B''Ukba in the name of R'Jose son of R'Hanina: Between the rivers is as the Exile [sc. Babylon] in respect of genealogy. And where is that situated? - Said R'Johanan: From Ihi de Kira and upwards. But R'Johanan said: [The upper limit of Babylon is] as far as the ford of Gidama?<span class="x" onmousemove="('comment',' Which is below Ihi de Kira.');"><sup>17</sup></span>