- tripendy.com location/het-steen-fortressHet Steen Fortress, dating back to the 11th century, is the oldest building and first stone fortress in Antwerp.
- military-history.fandom.com wiki/Het_SteenHet Steen is a medieval fortress in the old city centre of Antwerp, Belgium, one of Europe's biggest ports. Built after the Viking incursions in the early Middle Ages as the first stone...
- wiki2.org en/Het_SteenHet Steen is a medieval fortress in the old city centre of Antwerp, Belgium, one of Europe's biggest ports.
- apen.be het-steenHet Steen werd gebouwd tussen 1200 en 1225 en behoort daarmee tot een van de oudste gebouwen in Antwerpen.
- wowabouts.com explore/post-het-steen-steen-castleTranslated as “The Stone”, the castle Het Steen is an imposing structure looming over the river Scheldt.
- itcsozluk.com het-steen/MS 1220-1225 yılları arasında büyük bir taş tahkimat olarak önemli ölçüde güncellenen (‘taş’ anlamına gelen bugünkü ismine yol açan) Het Steen...
- utopia.be het-steenSinds mei 2012 is het Steen open als HETSTEEN der wijzen, actief vragenhuis voor dromers, denkers en doeners.
- seebeautifulplaces.com 2009/01/het-steen.htmlLange Wapper Het Steen (the stone) is the oldest building in Antwerp, it was build between 1200-1225.
- bogdan.design projects/het-steen/Throughout the years the city has expanded inland and the building known as ‘Het Steen’ is the last isolated fragment remaining of its former border.