Final answer:
The city that sits on Solofjord, containing numerous islands like Malmoya, is Oslo, Norway.
Step-by-step explanation:
The city that sits on Solofjord and contains numerous islands like Malmoya is Oslo, Norway. Oslo is the capital and largest city of Norway and is located along the southern coast of the country.
Solofjord, also known as Oslofjord, is a fjord in southeastern Norway that stretches from the city of Oslo to the Skagerrak strait. Malmoya is one of the islands within the fjord and is a popular recreational area for Oslo residents.