Original sentence: As of 2001 Census, Portugal had two significant agglomerations: Lisbon Metropolitan Region and Northern Littoral Urban-Metropolitan Region (or Porto Metropolitan Agglomeration).These broader agglomerations are distinct from the political metropolitan areas of Lisbon and Porto - Grande Área Metropolitana de Lisboa and Grande Área Metropolitana do Porto
Edited sentence: As of 2001 Census, Portugal had two significant agglomerations: Northern Littoral Urban-Metropolitan Region (or Porto Metropolitan Agglomeration) and Lisbon Metropolitan Region.These agglomerations are distinct from the political metropolitan areas of Porto and Lisbon