Hi AM57, 
There are 10 people booked on the Heart of Alpine Europe at the moment, 3 men and 7 women. Their ages range from early 30s to early 80s. 
There are 21 people booked on the Croatia's Istrian Coast tour, 4 men and 17 women. Their ages range from mid 40s to late 80s. 
Many thanks,
Vickie