The most common and most likely answer to this crossword clue is the 7 letter word NAIROBI
N
A
I
R
O
B
I
More clues leading to the result NAIROBI
- New look needing sash from Japan's capital
- Part of UK without long road, strip in capital
- Looking back, I delivered packages perfect for African capital
- Transmit outside broadcast in part of UK capital
- Atmosphere Old Boy found in Northern Ireland’s capital city
- Safari destination‘s Guyana; I rob ibises’ nests
- Ian upset former pupil visiting Rhode Island capital
- . A robin flies around island capital
- Excellent swindle in Northern Ireland’s capital
- New look needing sash from Japan’s capital
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 = nairobi.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.