Which answer matches this clue: the annual autumn celebration in an Arcadian village known for Tsakonian architecture?

• A Thessaloniki International Film Festival
• B Athens Epidaurus Festival
• C Patras Carnival
• D Kastanitsa Chestnut Festival ✓

Kastanitsa Chestnut Festival is the match: the annual autumn celebration in an Arcadian village known for Tsakonian architecture.