You'll enjoy the museums and riverfront in Altstadt Halle (Saale). You might want to make time for a stop at Marktplatz Halle or Beatles Museum.
While visiting Saaleaue, you might make a stop by sights like Saline Museum and Rabeninsel.
While there might not be top attractions in Paulusviertel, you can explore the larger area and discover places like Zoo Halle and Giebichenstein Castle.
While visiting Ortslage Trotha, you might make a stop by sights like Zoo Halle and Lower Saale Valley Nature Park.
Though Gottfried - Keller - Siedlung might not have many top sights, you can venture to the surrounding area to see attractions like Zoo Halle and Giebichenstein Castle.