Meditation retreats of all sorts are available throughout the world. You name a country and chances are you will find either a religious meditation or a secular meditation retreat there.
Zen, Qigong, Buddhist, Hindu, Sufi, Theosophy, CWG, Mooji, Eckhart Tolle are some of the familiar names you will come across. They offer different kinds of meditation experiences depending on their provenance and goals.
Among these meditation offerings, silent meditation retreat is a type of meditation experience you will not often hear about . There are also not many such retreats around. These retreats can be very profound, especially, for those used to and soaked deep in the thicket of life.
This article lists two such retreats in Thailand. Check it out.