Деултум | |
.jpg) The ruins of Develtos | |
  Shown within Bulgaria | |
| Location | Debelt, Burgas Province, Bulgaria |
|---|---|
| Region | Thrace |
| Coordinates | 42°23′28.9″N 27°17′20.5″E / 42.391361°N 27.289028°E |
| Type | Settlement |
Develtos (Bulgarian: Деултум, Greek: Δεβελτός, Δηβελτός, Δεουελτός, Δεούελτος, Διβηλτóς) or Deultum [nb 1] was an ancient city and bishopric in Thrace. It was located at the mouth of the river Sredetska reka on the west coast of Lake Mandrensko, previously part of the Gulf of Burgas, and near the modern village of Debelt.
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