What does the cryptic crossword clue "In sheikhdom we're told we should make purchase? (5)" mean?

The definition is "In sheikhdom". The wordplay uses a homophone (sounds like). A homophone of DO BUY. The answer is DUBAI.

In sheikhdom we're told we should make purchase? (5)

Independent Cryptic #11290 | 26 Across | 2022-12-19 flower