Ipswich's county (7)
I believe the answer is:
suffolk
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ipswich's county</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for suffolk that I've seen before include "Eastern county" , "S.E. county" , "English county" , "Ipswich's county" , "Part of East Anglia" .)