Complex sentence: Hadeland Folkemuseum is a regional museum for Hadeland (Gran, Lunner and Jevnaker) founded in 1913, and located on the countryside in Gran.
Split into simpler sentences: Hadeland Folkemuseum is a regional museum for Hadeland (Gran, Lunner and Jevnaker). It was founded in 1913, and is located on the countryside in Gran.