Seaport of Algeria (4)
I believe the answer is:
oran
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">seaport of algeria</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for oran that I've seen before include "African port" , "Algerian port" , "Algerian seaport" .)