About Frierfjord
Frierfjorden is a fjord in the Grenland traditional district in the county of Telemark, Norway. It is an arm of the Langesundsfjord and well into the 1700s was also known as the Langesundsfjord. Frierfjorden stretches from the opening to Langesundsfjord in the south to the mouth of the Porsgrunn River in the north.