Where I've been so far...

(I've put one pin for each country even if I've been there more than once to avoid overcrowding!)

Countries:

Europe:
UK (my home)
Ireland - Dublin, Killarny
France - All over the place!
Spain - Andalucia, Madrid
Italy - Tuscany, Puglia
Germany - Berlin
Denmark - Copenhagen
Luxembourg
Holland
Belgium - Antwerp
Switzerland - Zurich, Lucern

North America:
New York
Boston
Cape Cod

Caribbean:
Barbados

Asia:
India - Delhi, Jaipur, Agra, Mumbai
Hong Kong
Vietnam - Ho Chi Min City, the Mekong Delta, Mui Ne