<prompt> Translate the following text to SwahiliIt was the pre-eminent city of the early Muslim era and the historic legacy of that time is a district of medieval Islamic architecture unrivaled anywhere in the world.  <response>: Jiji hilo lilikuwa jiji kuu la enzi ya mapema ya Uislamu na urithi wa kihistoria wa wakati huo ni wilaya ya usanifu wa Kiislamu wa enzi za kati usio na kifani mahali popote ulimwenguni. 