The most common and most likely answer to this crossword clue is the 5 letter word BASRA
B
A
S
R
A
More clues leading to the result BASRA
- Arabs rebuilt Iraqi city
- Iraqi city graduates meet gunmen
- ME city fears a backlash after withdrawing exhibits
- Retired horse touring southern Iraqi city
- Sheepishly talk with senior having invaded Iraqi city
- Arabs rebuilt Iraqi port
- Port Arabs rebuilt
- City of Arabs
- . Arabs travel to this port
- Place for Arabs possibly
Buddy explains!

The straight part
We know that "this port" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this port = basra.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.