Ytre Arna is a settlement in the borough of Arna in Bergen, Norway. Ytre Arna is known for Arne Fabrikker, the country's first mechanised cotton mill. On January 1, 2008, the Ytre Arna urban settlement, as defined by Statistics Norway, had a population of 2513. The urban settlement covered a land area of 1.52 square kilometres (0.59 sq mi), and the population density was 1,653 inhabitants per square kilometre (4,280/sq mi).