Home to pretty treasures, Constância is Portugal's best kept secret. A gripping city on its own right, Lisbon also deserves a visit. Add Lisbon to your vacation plan, it has an interesting bunch of activities to do on your visit like Oceanario De Lisboa, Belem Tower, Jeronimos Monastery. 1-2 days is an ideal duration of visit to Constância.
Yes,it is that simple really! Enjoy your trip! Keep travelling!