The most common and most likely answer to this crossword clue is the 8 letter word DJIBOUTI
I've seen this crossword clue in Financial Times
D
J
I
B
O
U
T
I
More clues leading to the result DJIBOUTI
- Sail away after Germany, one nation in 13
- Sail away when detective goes round capital city
- Country club entertainer meets singles keeping fit
- Sail away protected by detective – capital!
- Sail away with me after day in the country
- Country abandoned ultimately – sail from shore to reach island
- I’d job working with leaders of unit touring in African country
- Sail abroad to get entertained by a princess in a part of 15 Ac.
- Disc jockey's fight among team in a country
- Record holder going to fight in independent island state
Buddy explains!
The straight part
We know that "capital city" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case capital city = djibouti.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.