Holiday Inn is a good hotel right in The Rocks area, our most historical part. Loys of places to eat and close to Circulat Quay where there is a train statiion, lots of buses and feries. A ferry ride to Manly is a great idea. When you get there walk straight ahead down the mall and you com to the ocean. Tha aquarium on the harbour side near the ferry is good as is the aquarium at Darling Harbour. Our Zoo ( Taronga Zoo) is wonderful and beautifully sited on the harbour. Take the ferry and the the cable car or bus to the top and walk down. Much easier than walking uphill. There is a hop-on-jop-off bus around the sity and eastern beaches. I would come and meet you but our daughter is having our first grandchild at end of March, our son is being married on April 5th and we will have overseas relatives with us and 2 weeks later we leave on April 19th for a 7 week holiday. If I can be of any more help let me know.