[3] Sarmato borders the following municipalities: Borgonovo Val Tidone, Castel San Giovanni, Monticelli Pavese, Pieve Porto Morone, Rottofreno.

The municipal area includes main town and also following boroughs: Agazzino, Cà dell’Acqua, Casoni, Cepone, Coste di Sotto, Madonna del Rosario, Nosone, Ponte Tidone, Salumificio and Veratto.

The principal plantations are: cereals (mainly wheat and mais), fodder and vegetables (especially tomato).

The Padana Inferiore state road crosses the municipal area, and it is the main access way.

The soccer team of Sarmato is FCD Sarmatese that currently play in prima categoria league.