Sandnes is a city and municipality in Rogaland, Norway. It lies immediately south of Stavanger, the 4th largest city in Norway, and together the S…Sandnes is a city and municipality in Rogaland, Norway. It lies immediately south of Stavanger, the 4th largest city in Norway, and together the Stavanger/Sandnes area is the third-largest urban area in Norway. The urban city of Sandnes lies in the extreme western part of the vast municipality and it makes up about 5% of the total land area of the municipality.