How do you pronounce Medici?
The Italian pronunciation is MED-itch-i, with stress on the first syllable.
How do you pronounce Midici?
How do you pronounce Catherine de Medici?
Where is the accent on Medici?
The accent goes on the “e”. In Italian, sometimes the accent does go on the antepenultimate syllable (the syllable before the penultimate syllable). Those words are called “parole (words) sdrucciole”.