Ku qor sii wadida faqradan - Magaaladu waxay ka koobnayd shan eparchies (suffragan sees), oo inta badan ku yaal Volhynia: Volodymyr of Volhynia, Lutsk, Peremysl, Turiv, Kholm. Metropolitan Petro waxaa loo caleemo saaray Metropolitan of Kiev, halkii uu ka ahaan lahaa Metropolitan of Halych waxaana 1320 loo wareejiyay Moscow. Dhimashadii Gabriel ka dib, muddo xasarad ah ayaa ka bilaabatay Halych metropolis maadaama Metropolitan of Kiev Theognostus uu doonayay inuu ka takhaluso magaalo weyn oo ka soo horjeedda dhulka Rus. Sanadkii 1337 Patriarch John XIV ee Constantinople wuxuu ansixiyay magacaabista Metropolitan of Halych Theodore. Sanadkii 1347 iyadoo gacan ka heleysa Amiirka Weyn ee Moscow Simeon, Metropolitan of Kiev wuxuu ku guuleystey inuu ku qanciyo boqorkii Byzantine John VI Kantakouzenos inuu kala diro Halych metropolis maadaama Boqortooyada Galicia-Volhynia ay u kala jabeen Lithuania iyo Poland Dagaalkii Galicia-Volhynia
Waxaad Dhammaan eparchies ee Halych metropolis waxaa loo wareejiyay xukunka Lithuania-Volhynia metropolis sanadkii 1355.