Cava de' Tirreni (Italian: [ˈkaːva de tirˈrɛːni]; Cilentan: A Càva) is a city and comune in the region of Campania, Italy, in the province of Salerno, 10 kilometres (6 miles) northwest of the town of Salerno.

It lies in a richly cultivated valley surrounded by wooded hills, and is a popular tourist resort.

Cava de' Tirreni lies among the hills close to the Tyrrhenian Sea, 5 km (3 mi) north of the Amalfi Coast and serving in practice as its northern gateway.

Cava is bordered to the north by Nocera Superiore, Roccapiemonte and Mercato San Severino; to the east by Baronissi, Pellezzano and Salerno; to the south by Vietri sul Mare and Maiori; and to the west by Tramonti.

[4] The town, initially comprehending present-day Vietri sul Mare, was founded by the Etruscans with the name of Marcina, as part of a colonial system known as Etruria Campana.