Included in this municipality is Tróia (part of Carvalhal parish), a peninsula between the Atlantic Ocean and the Sado River. Also within the municipality is Serra de Grândola (Grândola Mountain). Nearest city: Alcácer do Sal.
The present mayor is Carlos Vicente Beato (Socialist), and the president of the Municipal Assembly is Aníbal Manuel Guerreiro Cordeiro (Socialist). The municipal holiday is October 22.
Grândola has its own railway station on the main line between Lisbon and Faro. Passenger trains are operated by Comboios de Portugal (CP).