Average GPS coordinates for Serra Postcode location: 41.23, -8.518. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Serra on map:

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Listing cities & postcodes (10):
>> Porto, 4560-200 Serra, Penalva do Castelo, Lagoa, GPS coordinates: 41.2125,-8.4583
>> Porto, 4575-069 Serra, Ribeira Brava, Atenor, GPS coordinates: 41.3143,-8.4714
>> Porto, 4575-177 Serra, Penalva do Castelo, Mazouco, GPS coordinates: 41.1933,-8.3
>> Porto, 4585-760 Serra, São Vicente, Murçós, GPS coordinates: 41.2381,-8.581
>> Porto, 4600-580 Serra, Corvo, Corujas, GPS coordinates: 41.15,-8.5833
>> Porto, 4615-462 Serra, São Roque do Pico, Morais, GPS coordinates: 41.0833,-8.6167
>> Porto, 4615-754 Serra, São Roque do Pico, Vale da Porca, GPS coordinates: 41.275,-8.2667
>> Porto, 4620-867 Serra, Ribeira Grande, Corujas, GPS coordinates: 41.2167,-8.6333
>> Porto, 4745-353 Serra, Sernancelhe, Castelãos, GPS coordinates: 41.3067,-8.6367
>> Porto, 4745-354 Serra, Sernancelhe, Castelãos, GPS coordinates: 41.3067,-8.6367