Geography Port Wentworth is located in the northern corner of Chatham County at . It is bordered by Effingham County to the north, by Garden City to the southeast, and by the Savannah city limits (surrounding Savannah/Hilton Head International Airport) to the southwest. Within the Port Wentworth city limits are the localities of Meinhard and Monteith.
Geography Port Wentworth is located in the northern corner of Chatham County at . It is bordered by Effingham County to the north, by Garden City to the southeast, and by the Savannah city limits (surrounding Savannah/Hilton Head International Airport) to the southwest. Within the Port Wentworth city limits are the localities of Meinhard and Monteith.