Şeyh Osman Niyazi Efendi was born in 1828 in Kolekli village, Güneyce (İkizdere), Rize. A khalifa of Ahmed Ziyaeddin Gümüşhanevi, he was sent to guide the Eastern Black Sea and built a wooden mosque-lodge at Kolekli (1888). He died on 1 April 1909; per his will his remains were moved in 1946 beside his mosque-lodge in Kolekli, where his iron-domed tomb is visited. (Source: İsmail Kara, Dergâh Publications; Eastern Black Sea Cultural Inventory.)