This distinctive human settlement pattern, which was neither totally urban nor totally rural, developed in response to a combination of environmental, socio-cultural and economic factors, and spread throughout the entire island. Criterion (v): Djerba: Testimony to a settlement pattern in an island territory is an eminent example of spatial organization based on a dispersed settlement pattern that extended over the entire territory of the island of Djerba. AuthenticityDespite major changes, Djerba: Testimony to a settlement pattern in an island territory has preserved its authenticity. The original settlement pattern can still be confirmed in the component parts, although the authenticity of the houma was compromised by plot subdivisions. Protection and management requirementsDjerba: Testimony to a settlement pattern in an island territory is a complex series of public and private spaces of different typologies, as well as numerous buildings serving different functions.