High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Sousel is a municipality in Portugal with a total area of 279.4 km² and a total population of 5,579 inhabitants. The municipality is famous for its olive trees and as a great hunting region. The Calça e Pina family was the main developer of Sousel in the 18th century. The economy is mainly based on agriculture, but tourism plays a major role in the region's economy as well.