Alverca do Ribatejo is a city (cidade) and a parish (freguesia) in Vila Franca de Xira Municipality in Portugal

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

. It covers an area of 17.89 km² and had a population of 29,086 as of 2001. It was promoted to city status in 1990. It is a city and a suburb near the Tagus River (rio Tejo

Tejo

Tejo can be:*The Tagus, a river on the Iberian Peninsula.*Tejo , a sport and national pastime of Colombia.*The Tutmonda Esperantista Junulara Organizo * Tejo, Ethiopia...

), in the Lisbon Metropolitan Area

Lisbon Metropolitan Area

Lisbon Metropolitan Area is a territorial zone that includes 18 municipalities in Portugal. The smaller Grande Lisboa area is a subregion of the NUTS II Lisbon Region by its own right....

. The aerospace company Oficinas Gerais de Material Aeronáutico

OGMA

Founded in 1918, OGMA – Indústria Aeronáutica de Portugal, S.A., has dedicated ever since to the maintenance of aircraft and aircraft engines, as well as to the manufacturing of aircraft components and to aircraft engineering and logistic support. OGMA is situated in Alverca, approximately 15 km...

 (OGMA) is based there.

Grande Lisboa

Grande Lisboa

Grande Lisboa is a Portuguese NUTS III subregion integrated in the Lisboa Region. It includes the capital city of Portugal - Lisbon . It is the main economical subregion of the country. It covers 1,376 km² and is the most populated and densely populated Portuguese subregion...

 / Greater Lisbon