sentence1: Pisa, an ancient Roman port and great maritime republic, is no longer on the sea but its splendid past lives within its abundant historic and artistic monuments: narrow streets that open into picturesque little squares with multicoloured markets; the charming Piazza dei Cavalieri and Piazza dei Miracoli, one of the most famous monumental complexes in the world.
sentence2: Piazza dei Miracoli is located in Pisa.