See: List of castles Castles in England
Angus
Argyll and Bute
Dumfries and Galloway
Dundee
Edinburgh
Fife
Highland
Moray
Perthshire
Scottish Borders
Stirling
... Arnold-Chiari syndrome[?] Aromatase deficiency[?] Aromatic amino acid decarboxylase deficiency[?] Arrhinia[?] Arrhythmogenic right ventricular dysplasia[?] ...