A borg is a former stronghold or villa in the province of Groningen. Borgs used to belong to prominent citizens..A borg usually started as a brick building (steenhuis) built in the 13th or 14th century, a steenhuis was not used as a house, but offered protection in times of danger..© 30 aug 2016 Marco van Middelkoop/Aerophoto-Schiphol