Capital city of Costa Rica (3,4)
I believe the answer is:
san jose
'capital city of costa rica' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for san jose that I've seen before include "Residence for Californians" , "California city - Costa Rica's capital" , "Costa-Rican capital" , "American city" , "Do you know the Way to - -? (Dionne Warwick)" .)