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Coordinates: 41°13′N 8°33′W / 41.217°N 8.550°W / 41.217; -8.550
Civil parish (Freguesia)
Coat of arms
Official name: Freguesia de Ermesinde
Country  Portugal
Region Norte
Subregion Greater Porto
District Porto
Municipality Valongo
River Leça River
Center Ermesinde
 - coordinates 41°13′N 8°33′W / 41.217°N 8.550°W / 41.217; -8.550
Lowest point Sea level
 - location Atlantic Ocean
 - elevation 0 m (0 ft)
Area 7.42 km2 (3 sq mi)
Population 38,798 (2011)
LAU Freguesia/Junta Freguesia
 - location Rua D. António Ferreira Gomes, 365, Ermesinde, Valongo
President Junta Luís Miguel Mendes Ramalho (PSD)
President Assembleia Raul Conceição Santos (PS)
Timezone WET (UTC0)
 - summer (DST) WEST (UTC+1)
Postal zone 4445-398
Area code & prefix (+351) XXX XX XX XX
Location of the civil parish (freguesia) seat of Ermesinde in the municipality (concelho) of Valongo
Wikimedia Commons: Ermesinde
Statistics: Instituto Nacional de Estatística[1]
Geographic detail from CAOP (2010)[2] produced by Instituto Geográfico Português (IGP)

Ermesinde is a civil parish in the municipality (concelho) of Valongo, in continental Portugal, 9 kilometres (5.6 mi) northeast of Porto. Its population in 2011 was approximately 40,000 inhabitants, in an area of 7 square kilometres (2.7 sq mi); it is the smallest by area, and the densest by population (approximately 5000 inhabitants per kilometer square).


The Ermesinde train station, before the renovation in the 21st century
The modern railyard and station of Ermesinde

Initially a riverside community, named São Lourenço de Asmes, it developed as the result of the settlement of railworkers, involved in the construction of the railway. The junction of the two principal rail-lines in northern Portugal, a line coming from Porto and another from the northern districts, occurred in Ermezinde. The station that was constructed in this parish eventually developed and surpassed in the transit of the older São Lourenço de Asmes. Ermesinde became a formal junction of the Portuguese railway network, becoming the start link along the Douro railway line to Pocinho.

In 1910, following the 5 October 1910 revolution, the parish officially adopted the new name.[3]

During the 20th century, its proximity to Porto and the importance of the railways, allowed it to develop and become a suburb of Porto. In 1990, the town had evolved, obtaining the status of city, defined by Portuguese law and granted by the national parliament: there have been some interest by residents to obtain municipality. The construction of a new rail station, development of a cultural center and remodeling of the squares under the Polis Programme have been some of the tentative efforts to promote the center's growth.


  1. ^ INE, ed. (2010), Censos 2011 - Resultadas Preliminares [2011 Census - Preliminary Results] (in Portuguese), Lisbon, Portugal: Instituto Nacional de Estatística, retrieved 1 January 2012 
  2. ^ IGP, ed. (2010), Carta Administrativa Oficial de Portugal (in Portuguese), Lisbon, Portugal: Instituto Geográfico Português, retrieved 1 July 2011 
  3. ^ Junta Freguesia (ed.). "Historia de Ermesinde". Ermesinde (Volongo), Portugal: Junta Freguesia de Ermesinde. Retrieved 15 March 2013. 
  • Os Caminhos de Ferro Portugueses 1856-2006 (in Portuguese), Lisbon, Portugal: Público-Comunicação Social S. A./CP-Comboios de Portugal, 2006, p. 238, ISBN 989-619-078-X