The plan of the interior is inspired by that of the
Hagia Sophia basilica in
Istanbul It is highly decorated with paintings, gilding and polychrome deocoration illustrating the history and doctrines of the church. The
Iconostasis is a highly decorated barrier, which separates the "Saint of Saints" section, used only by the clergy, from the worshippers in the nave. The iconostasis has three portals: the Sacred Portal or Royal. Portal in the center, used only by the clergy; and north and south portals, used by reserved to lesser clerics and religious officials. File:Paris Cathédrale Saint-Alexandre-Nevsky Innen.jpg|Prayer Hall and the Iconostasis File:Наречение архимандрита Елисея (Жермена) и архимандрита Симеона (Коссека) во епископов в Александро-Невском соборе в Париже.jpg|Clergy in front of the Iconostasis The
Iconostasis presents a series of icons in a specific theological hierarchy. The lower level, called the Royal Portal, presents icons which illustrate the
Annunciation and the four Evangelists, painted by Evgraf Sorokine. The icons, from north to south, represent of Christ, Aleksander Nevsky, and the
Archangel Michael. On the south portion of the Iconostasis are icons of the Virgin Mary, Saint Stephen, and Saint Nicholas of Myra. The upper level of the Iconostasis features a central icon of the Holy Trinity, painted by Pauel Sorokine, flanked by icons of the saints and figures from the Old Testament, The walls are further decorated with murals by D. Sorokine and Feodor Bronnikov depicting major events in the history of Christianity and important moments of the liturgy. The murals depict the Admiration of the Shepherds, the Sermon on the Mount, the Entry of Christ into Jerusalem, and the Last Supper. Two additional murals by Bogolubov depict "Christ Walking on the Waters" and "Christ Preaching at the Lake of the Tiveriade." == The crypt ==