French Guiana Prefecture Building - Credit: Wikimedia Commons
The French Guiana Prefecture Building (French: Hôtel de préfecture de la Guyane) is the seat of the Prefect of French Guiana. It is located in Cayenne, French Guiana, France. It was originally built as a monastery of the Jesuits. In 1762, it became the headquarters of the Colonial Government. Since 1946, it is used by the prefecture. In 1978, it became a monument historique (historic monument). Read more on Wikipedia
Source: en.wikipedia.org