Porsgrunn in the context of "Frierfjorden"

Roald Morel Larsen (1 February 1898 – 28 July 1959) was a World Champion speed skater from Norway. He was born in Kristiania (now Oslo).Roald Larsen's parents were Hans Jacob Larsen, a glazier born in Kristiania in 1870, and Lydia Larsen, born in Porsgrunn in 1865. They had four children, all sons: Jaan Harald (1891), Lyder Ragnar (1895), Roald Morel (1898), and Gelgjermo Stone (1899).

Representing Kristiania Skøiteklub (now Oslo Skøiteklub), Larsen had his best year in 1924, when he became World Allround, European Allround, and Norwegian Allround Champion, in addition to winning two silver and three bronze medals at the 1924 Winter Olympics of Chamonix. One of those Olympic silver medals was on the allround event, a combination of the results of the 500 m, the 1500 m, the 5000 m, and the 10000 m – the only time in Olympic history that there was an allround event. Larsen won several more medals in the years that followed, including another bronze medal at the 1928 Winter Olympics of St. Moritz.

Skien/Porsgrunn is a Norwegian urban area located in Grenland in southern Telemark.

The urban area covers parts of three municipalities: Skien, Porsgrunn and Bamble. The population is 85.408.

Grenland is a traditional district in Telemark county, in the south-east of Norway. "Grenland" has referred to varying locations throughout history. In modern times, Grenland refers to the areas of the municipalities of Skien, Porsgrunn, Bamble, and Siljan. Sometimes the municipalities Kragerø and Drangedal are also considered to be part of the area. The region encompasses 1,794 square kilometres (693 sq mi) and has 122,978 inhabitants (2004), which translates as 12% of the area and 64% of the population of Telemark.

Grenland is the core area of a slightly larger traditional district known as Nedre Telemark ("Lower Telemark") which includes all of Grenland plus Midt-Telemark Municipality and the Heddal area of Notodden Municipality.