Sauvo is a municipality in Finland, located in the Southwest Finland region. It is a small, sparsely populated community rather than a large urban centre.
The municipality covers an area of 299.47 square kilometres (115.63 square miles), of which 47.21 square kilometres (18.23 square miles) is water. Its population is 2,957, giving a population density of 11.7 inhabitants per square kilometre (30 per square mile).
These figures reflect Sauvo's character as a rural Finnish municipality with a low concentration of residents across a relatively extensive land and water area.