![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on](https://c8.alamy.com/comp/2GJDDX8/grazing-cows-on-adelso-swedish-adelso-an-island-in-the-middle-of-lake-malaren-in-sweden-the-administrative-center-of-the-important-viking-era-settlement-birka-on-the-neighbouring-island-bjorko-was-situated-at-hovgarden-on-adelso-hovgarden-is-on-unescos-list-of-world-heritage-sites-photo-fredrik-sandberg-tt-code-10080-2GJDDX8.jpg)
Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on
![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on](https://c8.alamy.com/zooms/9/fb6c2174983d403dad2d0517cbb9a4d0/2gjddwf.jpg)
Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on
![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on](https://c8.alamy.com/comp/2GJDDXA/grazing-cows-on-adelso-swedish-adelso-an-island-in-the-middle-of-lake-malaren-in-sweden-the-administrative-center-of-the-important-viking-era-settlement-birka-on-the-neighbouring-island-bjorko-was-situated-at-hovgarden-on-adelso-hovgarden-is-on-unescos-list-of-world-heritage-sites-photo-fredrik-sandberg-tt-code-10080-2GJDDXA.jpg)
Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on
![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso. Hovgarden is on UNESCO's list ... Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso. Hovgarden is on UNESCO's list ...](https://c8.alamy.com/zooms/9/04668347947248c79269ba9092590866/2gjddwd.jpg)
Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso. Hovgarden is on UNESCO's list ...
![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on](https://c8.alamy.com/comp/2GJDDX2/adelso-swedish-adelso-an-island-in-the-middle-of-lake-malaren-in-sweden-the-administrative-center-of-the-important-viking-era-settlement-birka-on-the-neighbouring-island-bjorko-was-situated-at-hovgarden-on-adelso-hovgarden-is-on-unescos-list-of-world-heritage-sites-photo-fredrik-sandberg-tt-code-10080-2GJDDX2.jpg)
Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on
![Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on Adelso (Swedish: Adelso), an island in the middle of Lake Malaren in Sweden. The administrative center of the important Viking-era settlement Birka (on the neighbouring island Bjorko) was situated at Hovgarden on](https://c8.alamy.com/comp/2GJDDWX/the-ruins-of-alsno-house-on-adelso-swedish-adelso-an-island-in-the-middle-of-lake-malaren-in-sweden-the-administrative-center-of-the-important-viking-era-settlement-birka-on-the-neighbouring-island-bjorko-was-situated-at-hovgarden-on-adelso-hovgarden-is-on-unescos-list-of-world-heritage-sites-photo-fredrik-sandberg-tt-code-10080-2GJDDWX.jpg)