We had a fantastic time at Alberto's place and he was an excellent host. The unit is just outside the old city so walking to all the sights is very easy. There is also a local bus service that we made use of when we were too tired to walk. The place was clean and had great amenities including two bathrooms so we really felt comfortable.
We had driven to Seville and Alberto was very helpful in getting a place to park which is not an easy feat in Seville. He also made some excellent recommendations on different sights to see and restaurants to try and they were greatly appreciated. He was an excellent host.