Alfred Nobel is buried in a cemetery in Solna, near Hagaparken. His tomb can be found in section 04A, grave number 170, not far from the information point.
Bonus fact: Ingrid Bergman memorial can be found here as well.
Vinterviksvägen 50, 117 65 Stockholm, Sweden
Vinterviksvägen 60, 117 65 Stockholm, Sweden
Vinterviksvägen 53, 117 65 Stockholm, Sweden
Vinterviksvägen, Stockholm, Sweden
Hantverkargatan 1, 112 21 Stockholm, Sweden