The most common and most likely answer to this crossword clue is the 6 letter word HARARE
H
A
R
A
R
E
More clues leading to the result HARARE
- Capital that’s unlimited, then hard to come by
- Hot, a remarkable African capital
- Dash found all around Arab capital
- Hospital overlooking a peculiar African city
- Dash to besiege Arab capital
- Race round Arab capital in Africa
- Capital of Holland, a fine capital
- Run quickly to cover case of affair in capital
- Hurry to entertain artist turning up in African city
- Artist stops tortoise’s rival reaching African city
Buddy explains!

The straight part
We know that "capital" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case capital = harare.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.