Commentary for Kiddushin 114:4

ואידך א"כ ניכתוב קרא שדה מאי השדה שמע מינה תרתי

But it required for what was taught.' Field' [teaches] that one must not stand in Joppa<span class="x" onmousemove="('comment',' Jaffa. On the sea coast.');">⁸</span> and cast it into the sea, or Gabbath<span class="x" onmousemove="('comment',' Later name For Gibbethon, in the territory of Dan. It bordered on the desert.');">⁹</span>

Daf Shevui to Kiddushin