Byzantine frontier in northwestern Anatolia

E467676

The Byzantine frontier in northwestern Anatolia was a contested borderland between the late Byzantine Empire and emerging Turkish beyliks, notably becoming the early power base from which the Ottoman state first expanded.

All labels observed (4)

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf borderland
historical region
adjacentTo Aegean region of Anatolia
linked to: Aegean Region

Bithynia
Paphlagonia
Phrygia
Sea of Marmara
borderWith Candarid beylik
linked to: Candarid Beylik

Germiyanid beylik
linked to: Beylik of Germiyan

Karasid beylik
linked to: Karasi Beylik

Ottoman beylik
linked to: Ottoman Beylik

Turkish beyliks
linked to: Anatolian beyliks
characterizedBy castles
fortified towns
frequent sieges
frontier garrisons
intermittent truces
mixed Christian and Muslim populations
shifting political control
contains Bithynia
Mysia
parts of Paphlagonia
parts of Phrygia
country Byzantine Empire
followedBy Ottoman control of northwestern Anatolia
historicalRole area of Islamization
area of gradual Turkification
buffer zone protecting Constantinople from Anatolian powers
contested zone between Byzantines and Turks
early power base of the Ottoman beylik
region of demographic change and settlement shifts
zone of raiding and counter‑raiding
locatedIn northwestern Anatolia
locatedInTime 13th century
14th century
Late Middle Ages
near Constantinople
Nicaea
Nicomedia
Prusa
linked to: Prusa ad Olympum

Sögüt
Yenişehir
partOf Byzantine Empire
Byzantine–Turkish frontier
precededBy uncontested Byzantine control of northwestern Anatolia
significantEvent Ottoman conquest of Bithynian cities
fall of Nicaea to the Ottomans
fall of Nicomedia to the Ottomans
fall of Prusa to the Ottomans
usedFor Byzantine defensive operations
Turkish frontier raiding
military colonization

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

ʿUthmān I expandedTerritoryInto Byzantine frontier in northwestern Anatolia
Byzantine frontier in northwestern Anatolia partOf Byzantine–Turkish frontier
linked to: Byzantine frontier in northwestern Anatolia
Söğüt region partOf Byzantine–Seljuk frontier zone
linked to: Byzantine frontier in northwestern Anatolia
Söğüt principality of Ertuğrul primaryEnemy Byzantine frontier lords
linked to: Byzantine frontier in northwestern Anatolia