Lidingö, together with the Fjäderholmarna islets south of Lidingö, and a few residential islets, forms a municipality with about 45,000 inhabitants, with a land area of 30 square kilometres.Founded as an upper-class sanctuary in the 1910s with detached houses along the Lidingöbanan railroad, and the AGA industries, Lidingö got city privileges, and the municipality still styles itself Lidingö stad . Lidingö contains suburban areas with high-rise buildings as well as single-family houses, several diplomatic missions, conference hotels, a few farms, and a nature reserve.