(Čáhcesuolu in Northern Sami, Vesisaari in Finnish) is a city and municipality in the county of Finnmark, Norway. The city is the administrative centre of the county of Finnmark.Vadsø was established as a municipality January 1, 1838 (see formannskapsdistrikt). The law required that all cities should be separated from their rural districts - but because of low population, and very few voters, this was impossible to carry out for Vadsø in 1838. See also Hammerfest and Vardø.The rural districts of Vadsø were separated from the city in three stages: Nesseby (1846), Sør-Varanger (1858) and Nord-Varanger (1894). The last one was, however, again merged with the city January 1, 1964.
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