Historical clue formulations

• Italian castle town — 2018-01-14
• Town at the tip of Italy's "heel" — 2014-10-17
• Italian city that is the title setting of a Walpole novel — 2013-01-02
• Town on the SE tip of Italy that's the title setting for a Horace Walpole novel — 2009-09-20
• Italian port with ruins of an imposing Aragonese castle — 2008-11-22
• Italian city, setting of a Walpole novel — 2006-12-16
• Horace Walpole's "The Castle of ___" — 1999-05-15