Didymoteicho

Didymoteicho, whose name means twin walls, is one of the most historic towns in Thrace, rising on a rocky hill above the Erythropotamos where it joins the Evros in the far north-east of Greece. For centuries this was a strategic stronghold on the road between the Aegean and Constantinople, and successive empires left their mark on its walls and skyline.

The town is dominated by its great Byzantine fortress, an extensive hilltop citadel whose towers and ramparts, some rebuilt in the reign of Justinian, stretch for more than a kilometre around the old acropolis. It is among the most important surviving Byzantine castles in the Balkans, and its towers still carry carved monograms of the emperors and nobles who held it. The medieval quarter within and below the walls is a maze of narrow lanes, old houses and churches that rewards slow wandering.

Didymoteicho's other great monument sits in the lower town: the Çelebi Sultan Mehmed Mosque, also known as the Bayezid or Great Mosque, completed in 1420. With its vast pyramidal roof, it is regarded as the oldest surviving mosque on European soil and one of the most significant Ottoman monuments on the continent. Badly damaged by fire in 2017, it has been the subject of a careful restoration and remains a landmark visible from across the valley.

The town had earlier importance too, briefly serving as an Ottoman capital in the 14th century, and it retains a dense sense of layered history unusual even for Greece. Beyond the monuments, Didymoteicho is a quiet provincial town of squares and tavernas, close to the Turkish border and to the rich birdlife of the Evros valley.

Most visitors come as a day trip from Alexandroupoli or Orestiada, both easily reached along the Evros valley by road and rail. The fortress and mosque can be seen in a few hours, though the atmosphere of the old town encourages a slower visit. Spring and autumn are the most comfortable seasons, avoiding the heat of the inland summer and the cold of the northern winter.