The department of Sarthe is at the north end of the administrative
region of
Pays de la Loire. It is south of
Normandy and on the southern edge of the
Armorican Massif. It is bordered by the departments of
Orne,
Eure-et-Loir,
Loir-et-Cher,
Indre-et-Loire,
Maine-et-Loire and
Mayenne. The arrival of the
railways in 1854 boosted trade for the local economy. A
TGV connection was constructed in 1989, connecting the community to high-speed transport. In terms of road connections, the
A11 autoroute, which was constructed to Le Mans from
the east in 1978, enhances Sarthe's strategic position as the gateway to the French west.
Principal towns The most populous commune is
Le Mans, the prefecture. Approximately 370,000 people, comprising 65% of the department's population, live in the Le Mans
urban area. The rest of the department retains a rural character, with agriculture as the chief part of the economy. As of 2023, there are 6 communes with more than 8,000 inhabitants: == Demographics ==