Beside the Guora Gate, on the E. Tombazi street, a mosque was built back in 1670, as per the Turkish customs, the so-called mosque of the Great Door. It was dedicated to Valide Sultana, the mother of the Sultan Ibrahim Khan. Today, its access is possible only through a bookshop. Fortunately, the kind owner of the bookshop allows visitors to have a look. Access for wheelchair users is impossible due to high steps at the bookshop entrance.