Since 1996, PRAKSIS implements humanitarian and medical action programmes (health care, psychological and legal support). It has two ‘polyclinics’ in Athens and Thessaloniki and three open day centres for the homeless in Athens, Piraeus and Thessaloniki. It is also present in Central Macedonia, Mytilene and Patras. It has mobile medical units that can travel to the islands of the Northeast Aegean, the Dodecanese and Northern Greece. The Open Day Centre for the Homeless in Athens started operating in May 2012.