Selymbria (Greek: Σηλυμβρία),[1] or Selybria (Σηλυβρία),[2][3][4] or Selybrie (Σηλυβρίη),[5] was a town of ancient Thrace town on the Propontis, 22 Roman miles east from Perinthus, and 44 Roman miles west from Constantinople,[6] near the southern end of the wall built by Anastasius I Dicorus for the protection of his capital.[7]

According to Strabo, its name signifies "the town of Selys;"[3] from which it has been inferred that Selys was the name of its founder, or of the leader of the colony from Megara, which founded it at an earlier period than the establishment of Byzantium, another colony of the same Greek city-state.[8] In honour of Eudoxia, the wife of the emperor Arcadius, its name was changed to Eudoxiupolis or Eudoxioupolis (Εὐδοξιούπολις),[9] which it bore for a considerable time; but the modern name of its site, Silivri, shows that it subsequently resumed its original designation.

Respecting the history of Selymbria, only detached and fragmentary notices occur in the Greek writers. In Latin authors, it is merely named;[10][11] although Pliny the Elder reports that it was said to have been the birthplace of Prodicus, a disciple of Hippocrates.[12] It was here that Xenophon met Medosades, the envoy of Seuthes II,[13] whose forces afterwards encamped in its neighbourhood.[14] When Alcibiades was commanding for the Athenians in the Propontis (410 BCE), the people of Selymbria refused to admit his army into the town, but gave him money, probably in order to induce him to abstain from forcing an entrance.[15] Some time after this, however, he gained possession of the place through the treachery of some of the townspeople, and, having levied a contribution upon its inhabitants, left a garrison in it.[16] Selymbria is mentioned by Demosthenes in 351 BCE, as in alliance with the Athenians;[1] and it was no doubt at that time a member of the Byzantine confederacy. According to a letter of Philip II of Macedon, quoted in the oration de Corona,[17] it was blockaded by him about 343 BCE; but others consider that this mention of Selymbria is one of the numberous proofs that the documents inserted in that speech are not authentic.[18]

In Christian times, Selymbria was the seat of an archbishop; no longer a residential see, it remains a titular see of the Roman Catholic Church.[19]

Its site is located at Silivri in European Turkey.[20][21]


  1. ^ a b Demosthenes, de Rhod. lib., p. 198, ed. Reiske.
  2. ^ Xenophon. Anabasis. 7.2.15.
  3. ^ a b Strabo. Geographica. vii p. 319. Page numbers refer to those of Isaac Casaubon's edition.
  4. ^ Ptolemy. The Geography. 3.11.6.
  5. ^ Herodotus. Histories. 6.33.
  6. ^ Itin. Hier. p. 570, where it is called Salamembria.
  7. ^ Procopius, de Aed. 4.9.
  8. ^ Scymn. 714.
  9. ^ Hierocles. Synecdemus. p. 632.
  10. ^ Pomponius Mela. De situ orbis. 2.2.6.
  11. ^ Pliny. Naturalis Historia. 4.11.18.
  12. ^ Pliny. Naturalis Historia. 29.1.1.
  13. ^ Xenophon. Anabasis. 7.2.28.
  14. ^ Xenophon. Anabasis. 5.15.
  15. ^ Xenophon. Hellenica. 1.1.21.
  16. ^ Plutarch, Alc. 30; Xenophon. Hellenica. 3.10.
  17. ^ Demosthenes, de Corona, p. 251, ed Reiske.
  18. ^ See, e.g., Newman, Class. Mus. vol. i. pp. 153, 154.
  19. ^ Catholic Hierarchy
  20. ^ Richard Talbert, ed. (2000). Barrington Atlas of the Greek and Roman World. Princeton University Press. p. 52, and directory notes accompanying.
  21. ^ Lund University. Digital Atlas of the Roman Empire.

 This article incorporates text from a publication now in the public domainSmith, William, ed. (1854–1857). "Selymbria". Dictionary of Greek and Roman Geography. London: John Murray.

Coordinates: 41°04′49″N 28°16′06″E / 41.080158°N 28.26829°E


Saint Agathonicus was a 3rd-century citizen of Nicomedia. While living in Greece, he taught the Greeks about Christianity. Meanwhile, the imperial governor began persecuting Christians, following the orders of Emperor Maximian. In this persecution, Agathonicus' companion Zoticus was seized in Carpe, and his followers were crucified. He was sent to Nicomedia, where Agathonicus and his companions Princeps, Theoprepius, Acyndinus, Severian, Zeno, along with many others, were then taken to Byzantium. On this journey, many of the companions died from exhaustion and abuse, and the others were killed in Chalcedon. The survivors were taken to Thrace in Selymbria, where, after being tortured in front of the Greek Emperor, were beheaded.

Their feast day is celebrated on November 2 in the Catholic Church. In the Eastern Orthodox Church their feast day is August 22.

Andronikos IV Palaiologos

Andronikos IV Palaiologos (Greek: Ἀνδρόνικος Δ' Παλαιολόγος; 11 April 1348 – 25/28 June 1385), often Latinized as Andronicus IV Palaeologus, was the eldest son of Emperor John V Palaiologos. Appointed co-emperor since 1352, he had a troubled relationship with his father: he launched a failed rebellion in 1373, usurped the throne in 1376–1379, and remained engaged in a bitter struggle with John V until his death in 1385. This civil war depleted Byzantium's scarce resources and greatly facilitated the Ottoman conquest of the Balkans, most notably through the cession of Gallipoli by Andronikos.

Battle of İnceğiz

The Battle of İnceğiz was fought sometime in late 1411 or early 1412 near Constantinople between the rival sons of the Ottoman Sultan Bayezid I, Mehmed Çelebi and Musa Çelebi, during the final stages of the civil war known as the Ottoman Interregnum.


Caenophrurium (also written as Cænophrurium, Cenophrurium and Coenophrurium; Greek: Καινοφρούριον, Kainophrourion) was a settlement in the Roman province of Europa (the southeasternmost part of Thrace), between Byzantium and Heraclea Perinthus. It appears in late Roman and early Byzantine accounts. Caenophrurium translates as the "stronghold of the Caeni", a Thracian tribe.

Callum (Thrace)

Callum was a settlement and station (mutatio) of ancient Thrace, inhabited during Byzantine times.Its site is located east of Selymbria in European Turkey.

Daminon Teichos

Daminon Teichos (Ancient Greek: Δαμινόν τεῖχος), also Daunium or Daunion (Δαύνιον), was a Greek city in ancient Thrace, located in the region of the Propontis.It is cited in the Periplus of Pseudo-Scylax in its recitation of the towns of the area, appearing between Perinthus and Selymbria. It was a member of the Delian League and is cited on Athenian tribute registries between 454/3 and 418/7 BCE.Its site is not located exactly, but it has been suggested that the area is located in the current Turkish coast near Gümüsyaka.

George Phakrases

George Phakrases (Greek: Γεώργιος Φακρασῆς, fl. 1342–55) was a Byzantine nobleman and general, notable as a supporter of John VI Kantakouzenos in the Byzantine civil war of 1341–47.

Phakrases was an early adherent of Kantakouzenos, and in 1342–43 commanded the latter's cavalry at Didymoteicho. By 1346, he had been raised to the rank of protostrator, and in that year dealt a crushing defeat near Selymbria on the forces of Dobrotitsa of the Despotate of Dobruja, who had been called upon to aid the regency by the Empress-dowager Anna of Savoy. Dobrotitsa himself was taken prisoner, but managed to escape to Constantinople soon after.After Kantakouzenos' victory in the civil war, in 1351 Phakrases led part of the army, under Manuel Asen (a brother of Empress Irene Asanina) in the failed siege of the Genoese colony of Galata. In 1355 he wrote a summary of the theological disputation between Gregory Palamas and Nikephoros Gregoras over the Hesychast controversy.


Herodicus (Greek: Ἡρóδιĸος) was a Greek physician of the 5th century BC, a native of Selymbria. The first use of therapeutic exercise for the treatment of disease and maintenance of health is credited to him, and he is believed to have been one of the tutors of Hippocrates. He also recommended good diet and massage using beneficial herbs and oils, and his theories are considered the foundation of sports medicine. He was specific in the manner that a massage should be given. He recommended that rubbing be initially slow and gentle, then subsequently faster, with the application of more pressure, which was to be followed by more gentle friction.Herodicus is also described as a gymnastic-master (παιδοτρίβης) and a sophist. According to Plato, Herodicus recommended that his patients walk from Athens to Megara, a distance of a little more than 20 miles.

John Phrangopoulos

John Phrangopoulos or Frankopoulos (Greek: Ἰωάννης Φραγγόπουλος) was a Byzantine aristocrat and senior official in the Despotate of the Morea.

Member of a noble family of Fourth Crusade Venetian origin, he was protostrator and katholikos mesazon (chief minister) under the Despot of the Morea Theodore II Palaiologos in 1428/9. In this capacity he surrendered the towns and fortresses of Messenia—Androusa, Kalamata, Pidima, Mani, Nesin, Spitalin, Grembenin, Aetos, and Neokastron—which he governed in the name of Theodore II, to George Sphrantzes as the representative of Theodore's brother, Constantine XI Palaiologos. In June 1443 he was witness, at Constantinople, of the exchange of appanages between Constantine and Theodore: Theodore took over Constantine's domain of Selymbria, while the latter became sole master of the Morea. John apparently returned to the Morea and henceforth served Constantine as his mesazon, as he is mentioned in an argyrobull of Constantine XI Palaiologos as the "generalis of my realm" in February 1444. He was one of the last Venetian Rulers of the Francocracy in Greece.

At an unknown time, he founded the Pantanassa Monastery in the Despotate's capital of Mystras, to which he also donated an icon of the Virgin Mary. A mansion in Mystras has also been attributed to him on the basis of a Phi monogram embedded on a slab on the building.

Karasu (Istanbul)

The Karasu (Turkish for 'black water') is a short river in the Istanbul metropolitan area; it flows into the lake formed by the Büyükçekmece Dam. Anciently, the river was known as the Athyras (Ancient Greek: Ἄθυρας), and was considered a river of ancient Thrace that flowed between Selymbria and Byzantium (the later Istanbul).. Pliny the Elder also calls it Pydaras.

List of Thracian Greeks

This is a list of ancient Greeks in Thrace

Pascase Maupair

Pascase Maupair (died 1551) was a Roman Catholic prelate who served as Titular Bishop of Selymbria (1533–1551).


Perinthus or Perinthos (Ancient Greek: ἡ Πέρινθος) was a great and flourishing town of ancient Thrace, situated on the Propontis. According to John Tzetzes, it bore at an early period the name of Mygdonia (Μυγδονία).

It lay 22 miles west of Selymbria, on a small peninsula of the bay which bears its name, and was built like an amphitheatre, on the declivity of a hill. It was originally a Samian colony, and, according to George Syncellus, was founded about 599 BC. German archaeologist Theodor Panofka, however, makes it contemporary with Samothrace, that is about 1000 BC. It was particularly renowned for its obstinate defence against Philip V of Macedon At that time it appears to have been a more important and flourishing town even than Byzantium and being both a harbour and a point at which several main roads met, it was the seat of extensive commerce. This circumstance explains the reason why so many of its coins are still extant from which we learn that large and celebrated festivals were held here.After the fourth century AD it assumed the name of Heraclea or Heracleia (Ἡράκλεια); which we find sometimes used alone, and sometimes with additions Heraclea Thraciae and Heraclea Perinthus.Justinian restored the old imperial palace, and the aqueducts of the city. Coins of Perinthus have also survived.Its site is near modern Marmara Ereğlisi, in Turkey.

Scylla (Thrace)

Scylla or Scyllae was a town of ancient Thrace, on the Euxine, where the long wall, erected by the emperor Anastasius I Dicorus for the defence of Constantinople, terminated. This wall commenced at Selymbria, on the Propontis, and was carried across the narrow part of Thrace, at the distance of about 40 miles (64 km) from Constantinople, its length being 2 days' journey.Its site is located near Podima, Yalıköy in European Turkey.

Selymbria (cicada)

Selymbria is a genus of cicadas in the family Cicadidae, found in the Neotropics. There are about six described species in Selymbria.Selymbria is the only genus of the tribe Selymbriini.


Silivri (ancient Selymbria) is a city and a district in Istanbul Province along the Sea of Marmara in Turkey, outside the urban core of Istanbul, containing many holiday and weekend homes for residents of the city. The largest settlement in the district is also named Silivri. The mayor is Özcan Işıklar (CHP).

Silivri is located bordering Büyükçekmece to the east, Çatalca to the north, Çorlu and Marmara Ereğli (both districts of Tekirdağ Province) to the west, Çerkezköy to the north-west (one of Tekirdağ Province) and with the Sea of Marmara to the south. It is with an area of 760 km2 (290 sq mi) the second largest district of Istanbul Province after Çatalca. The seat of the district is the city of Silivri.

The district consists of 8 towns and 18 villages, and its population is 155,923 (2013 census). 75,702 in the city of Silivri, the remaining in the surrounding towns and villages – listed below.

Established in 2008, Turkey's most modern and Europe's largest prison complex is located 9 km (5.6 mi) west of Silivri.

Theodore II Palaiologos

Theodore II Palaiologos or Palaeologus (Greek: Θεόδωρος Β΄ Παλαιολόγος, Theodōros II Palaiologos) (c. 1396 – 21 June 1448) was Despot in the Morea from 1407 to 1443 and in Selymbria from then until his death.

Treaty of Selymbria

The Treaty of Selymbria was an agreement concluded on 3 September 1411 between the Republic of Venice and the Ottoman prince Musa Çelebi, ruler of the European portion of the Ottoman Empire (Rumelia), at Selymbria. The treaty largely repeated previous agreements between Venice and Ottoman rulers, and recognized the possessions of the Republic in Greece and Albania.

Yolçatı, Silivri

Yolçatı, formerly Gelevri or Galivri, deriving from its Greek name Kalavrye or Kalabrye (Greek: Καλαβρύη), is a village near Çanta, Silivri, in the Istanbul Province of Turkey.

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