Älvkarleby is a small municipality located in Uppsala county, in the historical region of Roslagen, Sweden. The municipality is known for its beautiful natural surroundings, with the Dalälven river running through the area and the picturesque Älvkarleby waterfall as a prominent feature. The municipality is a popular destination for outdoor enthusiasts, offering opportunities for fishing, hiking, and birdwatching. The surrounding forests and waterways provide a peaceful and serene setting for those looking to escape the hustle and bustle of city life.