The Church of Saint Panteleimon is a late Byzantine church in Thessaloniki and a UNESCO World Heritage Site.
The church lies in the eastern part of the old city, near the Tomb of Galerius, at the junction of Iasonidou and Arrianou streets. Its current dedication to Saint Panteleimon was given to the church after the end of Ottoman rule in 1912, and its original dedication is therefore disputed. In Ottoman times, it was converted into a mosque in 1548 and became known as Ishakiye Camii, which in the prevailing scholarly interpretation points to an identification with the late Byzantine Monastery of the Virgin Peribleptos, also known as the Monastery of Kyr Isaac after its founder Jacob, who was the city's metropolitan bishop in 1295–1315 and became a monk with the monastic name of Isaac.
A counter-argument however supports the theory that the present church is unrelated to the Peribleptos Monastery, and that it was converted into a mosque ca. 1500, when the city's kadı (judge), was Ishak Çelebi, whom the mosque was named after. However, the church's architecture and decoration, which date to the late 13th/early 14th centuries, appear to support the former view.
The church is of the tetrastyle cross-in-square type, with a narthex and a (now destroyed) ambulatory that is connected to two chapels (still extant). Very few of the building's original wall paintings survive. Ottoman remains include the base of the demolished minaret and a marble fountain.References:
Angelokastro is a Byzantine castle on the island of Corfu. It is located at the top of the highest peak of the island"s shoreline in the northwest coast near Palaiokastritsa and built on particularly precipitous and rocky terrain. It stands 305 m on a steep cliff above the sea and surveys the City of Corfu and the mountains of mainland Greece to the southeast and a wide area of Corfu toward the northeast and northwest.
Angelokastro is one of the most important fortified complexes of Corfu. It was an acropolis which surveyed the region all the way to the southern Adriatic and presented a formidable strategic vantage point to the occupant of the castle.
Angelokastro formed a defensive triangle with the castles of Gardiki and Kassiopi, which covered Corfu"s defences to the south, northwest and northeast.
The castle never fell, despite frequent sieges and attempts at conquering it through the centuries, and played a decisive role in defending the island against pirate incursions and during three sieges of Corfu by the Ottomans, significantly contributing to their defeat.
During invasions it helped shelter the local peasant population. The villagers also fought against the invaders playing an active role in the defence of the castle.
The exact period of the building of the castle is not known, but it has often been attributed to the reigns of Michael I Komnenos and his son Michael II Komnenos. The first documentary evidence for the fortress dates to 1272, when Giordano di San Felice took possession of it for Charles of Anjou, who had seized Corfu from Manfred, King of Sicily in 1267.
From 1387 to the end of the 16th century, Angelokastro was the official capital of Corfu and the seat of the Provveditore Generale del Levante, governor of the Ionian islands and commander of the Venetian fleet, which was stationed in Corfu.
The governor of the castle (the castellan) was normally appointed by the City council of Corfu and was chosen amongst the noblemen of the island.
Angelokastro is considered one of the most imposing architectural remains in the Ionian Islands.