Öregrund is a locality situated in Östhammar Municipality, Uppsala County, Sweden with 1,555 inhabitants in 2010. It is located by the coast of the Baltic Sea. Öregrund is, despite its small population, for historical reasons often still referred to as a city. Wikipedia
If you are looking for travel information of Öregrund in Sweden, you've come to the right place. The nearest major city to Öregrund is Stockholm. Take a short trip from Öregrund and set some time aside to explore the Stockholm. Dotted with places like Gamla Stan, Royal Palace, Vasa Museum; it will definitely be a good idea. Also, to reach Öregrund, you'll have to take a flight to Stockholm; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Öregrund.