Mosques40.9968° N · 28.9286° E

Saint Constantine and Helena

Fatih, İstanbul · Marmara
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About

Introduction

Aya Konstantinos and Helena stands as one of the most prominent mosques in Istanbul, nestled in the historic peninsula. Built during the Byzantine era, this structure offers visitors a unique experience with its architectural beauty and rich history. Named after Constantine and his mother Helena, this mosque attracts many as both a religious and tourist destination.

Features

Aya Konstantinos and Helena boasts impressive architecture, highlighted by its stunning frescoes and mosaics. Regarded as one of the finest examples of Byzantine architecture, the intricate details within the interior are truly captivating. Visitors can not only feel the spirit of this historic site but also immerse themselves in the historical ambiance of Istanbul.

Visiting Information

The mosque is open to visitors every day, and there is no entrance fee. Visiting hours may vary in accordance with prayer times. As a significant stop among the attractions in Istanbul, Aya Konstantinos and Helena draws the attention of both local and international tourists. When planning your visit, it's advisable to avoid peak hours and consider going early in the morning for a more tranquil experience.

Visitor information
Prayer times

Visits may be restricted during prayer times; you may be asked to wait while prayers are in progress. Note that the mosque may close to visitors around Friday midday (Friday prayer) — plan your visit accordingly.

Dress code & etiquette
Shoulders and knees must be covered
Women need a headscarf; usually provided at the entrance
Shoes are removed at the entrance
Keep quiet inside and do not disturb worshippers
Admission is free
LOCATION · SAINT CONSTANTINE AND HELENA
Saint Constantine and Helena
OSM · MapLibre GL

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Nearby stops

Fatih area