After these events, Helen spent long weeks touring Greece, of which she previously only knew the main towns and the island of Corfu. With her father and brother Alexander, she travelled in Greek Macedonia and the various battlefields of the First Balkan War. However, this period of calm was short-lived as the Second Balkan War broke out in June 1913. Once again, Greece emerged victorious from the conflict, allowing it to significantly expand its territory, which grew by 68% after the signing of the Treaty of Bucharest.