Einsiedeln-Ybrig-Zürichsee AG The Einsiedeln-Ybrig-Zürichsee AG (EYZ AG) aims to promote tourism as well as the development, positioning and marketing of tourist offers in the Ausserschwyz and Ybrig area. Einsiedeln-Ybrig-Zürichsee AG 8840 Einsiedeln eyz.swiss