Demenz - Angehörige (mehrere Gruppen) – Zürich is a group led by a professional in Zürich, Switzerland, for relatives of people with dementia. Language: German. Contact through Selbsthilfe Zürich, 043 288 88 88, selbsthilfe@selbsthilfezuerich.ch. Source: Selbsthilfe Schweiz, the national database of self-help groups.