Azeitão (São Lourenço e São Simão) is a civil parish in the municipality of Setúbal, Portugal. It was formed in 2013 by the merger of the former parishes São Lourenço and São Simão. The population in 2011 was 18,877, in an area of 69.32 km². It is composed of a cluster of small "aldeias" or small villages, some of those are: Vila Fresca de Azeitão, Vila Nogueira de Azeitão, Brejos de Azeitão, Aldeia de Irmãos, Vendas de Azeitão.