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![[Flag]](../images/t/tr-03-bo21.gif) image by Tomislav Šipek, 
3 January 2022
 image by Tomislav Šipek, 
3 January 2022
See also:
The new flag is also white with a new logo.
http://hizmet-is.org.tr/haberler/genel-baskan-yardimcimiz-ozdemir-bolvadin-belediye-baskani-kayacani-ziyaret-etti/
Tomislav Šipek, 3 January 2022
 The municipality of Bolvadin (43,398 inhabitants in 2018, 32,475 in the town 
of Bolvadin; 111,500 ha) is located 50 km east of Afyonkarahisar, west of Lake 
Eber.
The logo features historical Kırkgöz bridge, which is named after 
the word “kirk” expressing the notion of multiplicity in Turkish mythology. The 
bridge is positioned over the Akarçay (Kaystros) that pours into Lake Eber, 
which is located 7 km south of the Bolvadin (Polybotum) district along the 
Anatolian Caravan Road. Historical King’s Way, which is mentioned in many 
military and commercial journeys, also passes along this bridge. Silk Road, 
which starts from China, passing Middle Asia and reaching Anatolia over Persia, 
also passes along Kırkgöz Bridge.
Although it has not been possible to 
reach definite findings regarding the exact date of its construction, the first 
sources that mention this bridge are Hittite tablets kept in Ankara ProAsia 
Civilizations Museum. Accordingly, King Mursil II used this bridge in 1344 BC 
for the Arzava Crusade.
This bridge has witnessed a number of crusades, wars, 
processions, destructions, restorations, additions and interventions. In 401 BC, 
Cyrus, Anatolian governor of Persia, reportedly passed this bridge with his 
armies of more than tens of thousands of soldiers. In 133 AD, Roman Emperor 
Hadrian dropped by Polybotum during his visit to Anatolia. A coin was minted to 
commemorate this visit and statues of the emperor were erected all over the 
city. Hadrian improved the bridge alongside the city. Byzantine Emperor Ramnos 
Diogenes repaired the bridge, along with the roads in 1070, which were damaged 
by the Crusaders in 1097, and repaired again in 1150 by Emperor Manuel Doukas.
After the incorporation in 1362 of Bolvadin to the Ottoman Empire by Sultan 
Murat I, Kırkgöz bridge was used by subsequent sultans in all their eastern 
crusades. In 1534, Suleiman the Magnificent passed the bridge on his way to 
Baghdad and commissioned in 1550 architect Sinan in to repair it. The number of 
arches was increased up to 64 and a prayer area was added to the Bolvadin side.
Roads changed in 1895 after the opening of the Berlin-Baghdad railway. The 
Sogutlu Road, which connected Bolvadin to Kırkgöz, lost its significance. The 
New Station Road was opened and Develi Bridge was widened. Kırkgöz Bridge lost 
its function and was eventually abandoned after 1970.
The bridge is 
composed of three separate sections that have been constructed in different 
historical periods. The bridge previously had 64 arches but today it has a total 
of only 56. Eight arches were demolished by the State Hydraulic Works in the 
Republican period, during the formation of the new Akarçay river course towards 
the north of the existing course.
The oldest part of the bridge, from the 
Roman period, is located on the Akarçay river course. Starting from the 23rd 
arched opening from the east, this section has in total 15 round arches, ending 
at the 37th arch opening on the east. The distances of arch openings and wall 
construction techniques change at this section. The arches are made of large 
basalt stones and have circular shapes. This type of arched bridge is observed 
in the early stages of the Roman Empire period.
The west part of the bridge 
starting from 38th arched opening, with 19 arches, is from the Seljuk period. 
The arched openings have different sizes, usually in double-centered pointed 
tangent shape. The span of the arches increases and rises towards the middle 
section of the bridge. The 41st arch from the east is the highest and the most 
extensive arched opening at this section.
What survives to the south of the 
old bridge shows that originally the road was on the low ground and that later 
the annual flooding of Lake Eber raised the bed of the marsh and made the 
construction of the embankment imperative.
Z. Akdemir & G. Sener. 2010. 
The assessment of Kırkgöz Bridge in the context of sustainable, cultural and 
architectural heritage. 
WIT Transactions on Ecology and the Environment, 142 
117-129.
 
Ivan Sache, 4 January 2022
![[Flag]](../images/t/tr-03-bo.png) image by Tomislav Šipek, 14 April 2015
 image by Tomislav Šipek, 14 April 2015
The [former] flag of Bolvadin (photo) is white with the municipality's emblem, featuring a stymized poppy capsule. "Belediye Başkanlığı" means "Municipality Presidency".
Bolvadin is located in a main area of poppy growing.
Dried opium poppy fruits (capsules) are worked up to isolate morphine at 
the Opium Alkaloids Factory in Bolvadin. Morphine consists of 68-70% of 
total alkaloids in the fruitd. The remaining 30-32% of alkaloids are 
just wasted. The factory has the capacity to work up annually 20,000 t 
of poppy capsules. The factory consists of two main units. In the 
Alakaloid Extraction Unit only base morphine is produced. In the 
adjacent Derivatives Unit half of the morphine extracted is converted to 
morphine hydrochloride, morphine sulphate, ethylmorphine hydrochloride. 
These alkaloids are sold after pharmacopoeial compliance is achieved.
[K. Hüsnü Can Bser & N. Arslan. 2014. Opium poppy (Papaver somniferum). Pp. 305-330 in Z. Yaniv & N. Dudai (Eds.) Medicinal and Aromatic Plants of the Middle-East. Springer]
Tomislav Šipek & Ivan Sache, 18 November 2017
![[Flag]](../images/t/tr-03$bo.gif) image by Ivan Sache, 2 September 2019
 image by Ivan Sache, 2 September 2019
The flag of the Bolvadin Chamber of Commerce and Industry (photo, photo) is white with the organization's emblem.
Ivan Sache, 2 September 2019
![[Flag]](../images/t/tr-03$b1.gif) image by Ivan Sache, 18 November 2017
 image by Ivan Sache, 18 November 2017
The flag of the Bolvadin Commodity Exchange (photo, photo) is white with the organization's logo.
Ivan Sache, 18 November 2017
![[Flag]](../images/t/tr-03-dis.gif) image by Tomislav Šipek, 
15 September 2025
 image by Tomislav Šipek, 
15 September 2025
From: https://www.facebook.com/photo.php
![[Flag]](../images/t/tr-03-ozb.jpg) image by Tomislav Šipek, 
15 September 2025
 image by Tomislav Šipek, 
15 September 2025
From: https://www.facebook.com/photo.php