Vaasa, formerly (1855–1917) known as Nikolaistad, is a city in Finland and the regional capital of Ostrobothnia, located on the west coast of the country, on the Gulf of Bothnia. Vaasa city has approximately 71,000 inhabitants, while the Vaasa sub-region has a population of approximately 112,000. It is the 14th-most populous municipality in Finland, and the tenth-most populous urban area in the co…