The Boukoleon Palace was built by Theophilos (829-842) on top of the sea walls that had been thickened in this region some decades before. The western part of this building survived until 1873 - when it was demolished to give way for the railway. The eastern part still stands today.
The Boukoleon Palace was added into the new fortifications of the Great Palace by emperor Phocas (963-969). Even though the imperial residence was shifted to the Blachernae Palace after 1081, the Boukoleon Palace still remained in use, and was inhabited by the Latin emperors between 1204 and 1261.
The Doge's Palace in Venice was largely inspired by the Boukoleon Palace in Constantinople (Istanbul).
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