It was in Queensland, Australia but I am now home in Ireland. They were Mahayana Tibetan buddhists of the Sakya tradition. I met Lama Choedak Rinpoche who was leading a family retreat, one of the funniest men I have ever met with great energy durinmg his teachings. I was a volunteer so I really got to see how they really live.
I am not super into Buddhism but this was a really great experience!
I made a video about what I did during my trip if you are interested. :)