Oliveira de Azeméis is a city located in Porto Metropolitan Area in Portugal. It covers a total area of 163.5 square kilometers, with a population of about 70,000. Oliveira de Azeméis is part of Porto Metropolitan Area and it is 35 kilometers to the south of Porto and less than 20 kilometers away from the Atlantic Ocean. The city is also one of the top two mould centers in Portugal and its mould techniques take the lead in the world.