A regional organization of the Moravian Church with its administrative boards, composed of a number of congregations, and entitled to hold a synod. Since 1857 the worldwide Moravian Church (Unity) has  been composed of provinces, which regulate their own internal affairs. Today there are 18 provinces, 7 mission provinces and 4 mission areas which constitute the Worldwide Moravian Church. See http://www.unitasfratrum.org/pages/directory.html for more information.