This article provides a case study of a project for a Polish utopian settlement (Osada), which was to be established in California, USA. Author Kazimierz Tomkiewicz’s, a Polish political exile from the early 1830s, developed a blueprint in Paris in 1850 and sent it to Prince Adam Jerzy Czartoryski, seeking his support for its realisation. Osada was to be an agro-industrial settlement, enabling Poles participation in the