Had a great time staying at Josef's place! The appartment is located right next to Old Town Square and 3 minutes walking distance to a supermarket. Everything was really clean and well taken care of.
The entrance is through a store, wich was a bit odd at first, but they do supply you with the keys incase the store is closed when you get back to the appartment.
During our stay Josef would check in on us to see how we were doing and giving us tips to enjoy our stay in Prague!