Its territory, which is totally plain as part of the Pianura Padana, is crossed by the Mincio river.

Marmirolo borders the following municipalities: Goito, Porto Mantovano, Roverbella, Valeggio sul Mincio, Volta Mantovana.

Here Gianfrancesco Gonzaga built a castle in 1435, enlarged in 1480 under design by Luca Fancelli and later finished by architect Giulio Romano in 1539.

Where he writes Josephine, "When shall I, free from all disturbance and care, pass all my moments with you, and have nothing to do but to love, nothing to think of but the happiness to tell it and prove it to you?"

Near the town is the Gonzaga hunting lodge of Palazzina Gonzaghesca di Bosco Fontana.