Question: Where are the Pera Palace Hotel and Palace of the Porphyrogenitus located?
Sentence (from "Palace of the Porphyrogenitus"): An annex of the greater palace complex of Blachernae, it is the best preserved of the three Byzantine palaces to survive in the city (together with the ruins of the Boukoleon Palace; and the ruins of the Great Palace of Constantinople with its surviving substructures, retrieved mosaics and standing Magnaura section), and one of the few relatively intact examples of late Byzantine secular architecture in the world.
Relevant evidence: No