Kocaeli, Turkey

Akçakoca Mosque / Dere Mosque

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Ticket Free
Hours Open daily during prayer times as a mosque.
Duration 30-45 minutes
Getting there It is approximately 1 kilometer from Izmit…
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Akçakoca Mosque is Izmit's first mosque, built by Gazi Akçakoca in 1327-1328 in the Izmit district of Kocaeli. Constructed with a masonry system, it is one of the oldest examples of Ottoman heritage from the Orhan Gazi period and can be visited free of charge.

Located in the Izmit district of Kocaeli, at the intersection of Alaca Mescit Street and Akçakoca Street, Akçakoca Mosque stands in one of Izmit's oldest settlement areas from the Turkish period. Gazi Akçakoca, who besieged Nicomedia (present-day Izmit) during the reign of Orhan Gazi, had this mosque built immediately after conquering the city; the structure dates back to 1327-1328. Also known as Dere Mosque, the building was renovated in the 19th century, but its roots extend to the 14th century.

Architecturally, the mosque is a masonry-built structure with a nearly square rectangular plan. To the north of the main space, there is a closed portico for the latecomers. Visitors say that the mosque is located just above the Akçakoca Monument and offers beautiful views of Izmit from its surroundings. This small historic building, open for worship with its peaceful atmosphere, continues to be an important part of the city's spiritual memory.

Related discoveries: Historical Places, Kocaeli historical places, Kefken Island.

Experience Summary

Guide's Note

Akçakoca Mosque / Dere Mosque

Akçakoca Mosque is described by the vast majority of visitors as Izmit's first mosque. According to historical information highlighted in the comments, the structure was built by Gazi Akçakoca, who besieged Nicomedia (Izmit) during the reign of Orhan Gazi in 1327-1328. The mosque, which has a rectangular plan, is located above the Akçakoca Monument.

Visitors state that the mosque is open and accessible, and they appreciate its peaceful atmosphere. It is also noted that the view of Izmit from around the mosque is beautiful.

While almost all comments are positive, there are different pieces of information among visitors regarding the construction date of the structure; one comment states it dates from the 16th century, while others point to the 14th century. It is recommended to verify this information from reliable sources before visiting. There is not yet sufficient feedback on service quality, cleanliness, or transportation related to the venue.

Sıdkı Alper NeresiGezilir Editor

Izmit's First Mosque: Historical Background

Akçakoca Mosque was built by Gazi Akçakoca, who besieged Nicomedia (Izmit) during the reign of Orhan Gazi, in 1327-1328. This date places the structure immediately after the Turkish conquest of Izmit and earns it the title of the city's first mosque. Standing in Akçakoca Neighborhood, one of the oldest settlement areas of the Turkish period, the mosque is considered one of the cornerstones of Izmit's Ottoman identity.

The structure underwent a significant renovation in the 19th century. Although the facade and some architectural elements seen today belong to this later period, the mosque's foundations and location preserve its original historicity. The structure, also registered on the Culture Portal, is a registered cultural heritage.

Architectural Features

The mosque was built using a masonry system and has a nearly square rectangular plan. To the north of the main space, there is a closed portico for the latecomers. The simple and introverted architecture of the structure bears the traces of early Ottoman mosque tradition. Compared to large complexes or multi-domed structures, this mosque has a modest scale, reflecting the rapid construction approach after the conquest.

When to Visit?

To best appreciate the historical texture of the mosque and the surrounding Izmit view, spring and autumn months are a good choice. Izmit can be quite hot in the summer; visits made in the morning are both cooler and calmer. Since the mosque will be crowded during Friday prayers, those who wish to examine the historical structure more comfortably can choose times outside of these hours.

How to Get There?

Akçakoca Mosque is approximately 1 kilometer from Izmit city center. It is possible to reach it by private public buses departing from the center. It is also a short distance for those who enjoy walking. Knowing that the mosque is located just above the Akçakoca Monument will make it easier to find your way. You can use Alaca Mescit Street No:108 as the address.

Photo Spots

The exterior of the mosque and the surrounding historic street texture offer an interesting background for photography. Visitors say that a panoramic view of Izmit can also be seen from the point where the mosque is located. Photos taken in natural daylight, especially before noon, yield better results. If you are taking photos inside, be careful not to disturb worshippers.

Things to Know Before Visiting

Akçakoca Mosque is an actively used mosque for worship; try not to coincide your visit with prayer times. You are expected to remove your shoes when entering and to come in appropriate attire. Female visitors are required to cover their heads. Since the mosque is a small-scale structure, it is advisable to be careful when visiting with large groups. Admission is free.

What to Eat Nearby?

Akçakoca Neighborhood and Izmit city center offer various food and drink options. Izmit is a city known nationwide for its pişmaniye; after your visit, you can explore producers in the city center to taste and take home this traditional sweet. There are also local restaurants and breakfast places in the vicinity.

FAQ

The name 'Dere Mosque' is also used among the public in relation to the mosque's location. Although its official name is Akçakoca Mosque, it is referred to by both names.

No, entry to Akçakoca Mosque is free of charge.

Yes, dating back to 1327-1328, Akçakoca Mosque is considered the city's first mosque as it was built immediately after the Turkish conquest of Izmit.

The structure is a mosque built with a masonry system, with a nearly square rectangular plan. There is a closed portico for the latecomers to the north of the main space. Although it underwent renovation in the 19th century, the original early Ottoman plan has been preserved.

The mosque was built by Gazi Akçakoca, who besieged Nicomedia (Izmit) during the reign of Orhan Gazi. The mosque is named after him.

Since it is an active place of worship, times outside of prayer hours are more suitable for a visit. Morning and early afternoon hours are both calm and yield better results for photography.

Open daily during prayer times as a mosque. Confirm with an official source before visiting.

It is approximately 1 kilometer from Izmit city center. It can be reached by private public buses departing from the center; it can also be preferred on foot as it is within walking distance.

30-45 minutes
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