EntityQ1010748· pop 10· linked from 57 articlesAltena CastleSign in to saveCastle in Altena, North Rhine-Westphalia, GermanyConnectionsDuchy of BergEntityAustriaCountryGermanEntityNorth Rhine-WestphaliaEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityPrussiaEntityWayback MachineEntityHammEntitywireEntityhostelEntitygarrisonEntityAltenaEntityHenry VEntityTecklenburgEntityAugustusburg and Falkenlust PalacesEntityMärkischer KreisEntityBrandenburg-PrussiaEntitySauerlandEntityworkhouseEntityCategories12th-century fortificationsAltenaBuilding and structure articles needing translation from German WikipediaBuildings and structures completed in 1108Buildings and structures in Märkischer KreisCastles in North Rhine-WestphaliaCommons link from WikidataCounty of MarkHenry V, Holy Roman EmperorHistoric house museums in GermanyHostelsLocal museums in Germany