The old city of Salzburg, a famous tourist city in Austria, is situated on the side of the Sa River and under the foot of the hill of the Salzburg Castle. The old city centres on the Plaza of the Bishop's Palace in Salzburg, surrounded by the Bishop's Palace, Cathedral, Mozart sculptures and other attractions. On the outskirts of the square, in addition to the food alleys lined with shops, there is also a memorial hall set up in the birthplace of the famous musician Mozart.