Dernbach (Westerwald) is a local community in the district of Westerwaldkreis in Rhineland-Palatinate, Germany, and part of the municipal association Verbandsgemeinde Wirges. The village is known throughout the country by the three-way interchange A48/A3, called Dernbacher Dreieck, and well known worldwide by the international c…Dernbach (Westerwald) is a local community in the district of Westerwaldkreis in Rhineland-Palatinate, Germany, and part of the municipal association Verbandsgemeinde Wirges. The village is known throughout the country by the three-way interchange A48/A3, called Dernbacher Dreieck, and well known worldwide by the international congregation Poor Handmaids of Jesus Christ, called Dernbacher Schwestern.