The provided source material does not describe Riit as a city in Indonesia. Instead, it identifies Riit (ᕇᑦ) as the stage name of Rita Claire Mike-Murphy, a Canadian Inuk musician and television personality from Pangnirtung, Nunavut.
Riit is most notably recognized for her work as the host of the children's series Anaana's Tent on APTN. No other geographical or municipal information regarding a city by this name in Indonesia is provided in the source material.