Undisputed jewel of the city for centuries is the Venetian castle, which rises up on the hill of Palaiokastro, dating back to 1575, and includes important structures such as
The warehouse of artillery, where cannons and armor were stored,
The residence of the Directors, where one of the two Venetian Councilors of the city was residing,
The residence of the Rector, a luxurious and magnificent building in the main square of the fortress,
The mosque of Ibrahim Khan
The small church of Agios Theodoros Trichinas (St. Theodore the Hair-Shirt Wearer)
Erofili Theater, which every summer hosts the Renaissance Festival of Rethymno.