This former Aldi supermarket was converted into a new Ahmadiyya Mosque in Hanau. It was inaugurated by his Holiness, the Fifth Khalifa of the Promised Messiah on his Germany Tour 2015, on the 27th of May 2015. The building in Hanau, which was formerly used as a supermarket, offers 470 square prayer space and can accommodate 500 people.The land area of the Bait-ul-Wahid Mosque ("House of the Unique") amounts to 5800 square meters.The cost of acquisition and reconstruction of the building amounted to 1.1 million euros.