| English Name | Märjani Mosque |
|---|---|
| Tatar Name | әл–Мәрҗани мәчете |
| Russian Name | Мечеть аль-Марджани |
| Other Names | First Cathedral; Efendi; Iunovskaia |
| Address | ul. Kaiuma Nasyri, 17 |
| City | Kazan |
| Patron | I. Iunusov, Z. Usmanov, V. Gizetullin, M. Valishin, etc. |
| Architect | V. I. Kaftyrev |
| Architectural Style | Barocco |
| Founded | 1766-1770 |