The most common and most likely answer to this crossword clue is the 5 letter word LAGOS
I've seen this crossword clue in The Daily Telegraph
L
A
G
O
S
More clues leading to the result LAGOS
- Like this young lady from East African port
- Sailor following one inside port
- Port and a shot downed by vacuous lads
- African city finally investing in Asian country
- Trail thus coming north arriving at African city
- Left pass in a South African port
- 1,000 in Asian country reaching African port
- Seaman faced with delay in foreign port
- A move to split large South African city
- Port in Asian country storing gallons
Buddy explains!

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.