Packages and methods of manufacture thereof are described. In an embodiment, a package may include a first chip package and a die structure disposed over the first chip package. In an embodiment, the first chip package may include: a molding compound; a first die within the molding compound; a first via structure and a second via structure within the molding compound at opposite lateral portions of the first die, wherein the first and second via structures extend between an active surface of the first die and a first surface of the molding compound; and a second die within the molding compound, the second die disposed at the active surface of the first die and between the first via structure and the second via structure.