What makes life happy and fulfilling? It is a huge question, with different answers depending on the person. However, research has turned to 5 places in the world where people are living the longest to find out what their lifestyle and environment looks like. These places are called Blue Zones and they are: Barbagia region of Sardinia Ikaria, Greece Nicoya Peninsula, Costa Rica Loma Linda, California. Okinawa, Japan In a great article by Dan.