Facebook, with an announcement today, states that it is expanding it service of Marketplace in 17 countries in Europe. So far Greece is not on the list, but we don't imagine it will be slowto join.
According today's Facebook announcement, the service Marketplace (Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Hungary, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden and Switzerland) is being opened in 17 countries across Europe the ability to buy and sell products in their local communities.
Marketplace already runs in six countries (Australia, Canada, Chile, Mexico, New Zealand and the United Kingdom). The centre Facebook Marketplace help is also available in Greek, but if you try to go, you will see that the service is not available (for Greece).