Tarsus Old Mosque (Baytemir Mosque) is a historical structure located in the Tarsus district of Mersin, built as a church in the Middle Ages and later converted into a mosque. It bears traces of Roman architecture with its thick walls and deep window niches, exhibiting characteristics of the 13th-14th centuries; admission is free, and it is actively used.
Rising in the heart of Tarsus's historical fabric, opposite the Tomb of Prophet Daniel, the Old Mosque is one of the city's most layered structures. Although its exact construction date is debated, its architectural features point to the 13th-14th centuries of the Middle Ages. According to a view frequently mentioned in visitor comments, the structure was initially used as a church dedicated to Saint Paul. Some sources state that in 1360, Seyfeddin Bay-Temur al-Kharizmi converted one of the churches into a mosque, and for this reason, the structure was known for a long time as the Bay-Temür Mosque. Other sources state that in 1415, Ramazanoğlu Şebabettin Ahmet Bey converted the church into a mosque and had a minaret added to its southwest corner. The southern door was replaced by a mihrab, a last prayer section was added to the northern part, and rooms were built on both sides of the apse.
The structure carries the austerity of Roman architecture and the depth of medieval Christian architecture simultaneously: thick and high stone walls, deep window niches that open narrowly outwards and widely inwards, massive columns... Visitors often express feeling as if they are stepping back in time when they enter the mosque. Due to its importance, the structure has undergone continuous repairs throughout history; it gained its current robust appearance with the last restoration work completed in 2007. The vast majority of visitors to Tarsus state that the historical richness offered by the city far exceeds their expectations. The Old Mosque is at the top of this list of surprises.
Related discoveries: Places to visit in Mersin, Historical Places, Historical places in Mersin, Softa Castle.
Guide's Note
Conversion of a Church into a Mosque
The history of Tarsus Old Mosque is based on a past with no definite boundaries, recounted differently by multiple sources. Its architectural features indicate that the structure was built sometime between the 13th and 14th centuries of the Middle Ages. Some sources state that in 1360, Seyfeddin Bay-Temur al-Kharizmi converted the church into a mosque, and for this reason, the structure was known for a long time as the Bay-Temür Mosque. According to another common view, in 1415, Ramazanoğlu Şebabettin Ahmet Bey converted the structure into a mosque immediately after taking Tarsus from the Karamanids and added a minaret to its southwest corner. The southern door was closed and replaced by a mihrab, a last prayer section was added to the northern facade, and both sides of the apse were arranged with rooms.
Architectural Features
The structure simultaneously reflects the austerity of Roman architecture and the depth of the medieval church tradition. The most striking feature visible from the outside is the unusually thick stone walls. Deep window niches, which are narrow on the outside and wide on the inside, appear to be carved into these walls. Massive columns create an atmosphere that makes their weight felt in the interior. Visitors often express feeling as if they are transported centuries back in time when they step inside. The structure has undergone continuous repairs throughout history; it gained its current robust appearance with the comprehensive restoration work completed in 2007.
When to Visit?
Tarsus, with its Mediterranean climate, can be quite hot in the summer months. The most comfortable period for visiting historical sites is between April-June and September-November. Since the mosque is actively used, visiting during or just before prayer times increases your chances of entering. As some visitors have noted that the mosque can be closed, it is recommended to prefer noon or afternoon prayer times. Please confirm with an official source before your visit.
How to Get There?
To reach Tarsus from Mersin city center, you can use intercity buses or minibuses; the journey takes approximately 30-40 minutes. Upon arriving in Tarsus, head towards the historical bazaar area. The Old Mosque is on the same street as the Tomb of Prophet Daniel, making it easy to find. If you come by car, it is possible to find parking on nearby streets, but exploring the historical center on foot is much more practical as it consists of narrow streets.
Tarsus Historical Center Route Suggestion
The Old Mosque is a natural part of Tarsus's historical center walking route. After visiting this point along with the Tomb of Prophet Daniel, you can walk to Kırkkaşık Bedesteni, St. Paul's Church, and Cleopatra's Gate. Since all these points are close to each other, a half-day walk is sufficient to see them all comfortably. A large portion of visitors to Tarsus state that the historical richness offered by the city far exceeds their expectations.
What to Eat Nearby?
Tarsus has a strong local cuisine. You can find dishes specific to Çukurova in the restaurants around the historical bazaar. Tarsus kebab and içli köfte (stuffed meatballs) are among the must-try delicacies. Small artisan restaurants around Kırkkaşık Bedesteni offer both affordable and authentic options.
Photo Spots
The exterior of the structure is very suitable for shots that highlight its stone texture and deep window niches. Wide-angle shots taken with the minaret beautifully reflect the mosque's church-origin silhouette. In the interior, the light passing through the columns creates a dramatic atmosphere in the morning hours. Shots taken from a street perspective, together with the Tomb of Prophet Daniel, also convey the historical fabric in a holistic way.
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