Rubuta ci gaba don wannan sakin layi - Ranar da ta fi dacewa daga baya mamayewar Byzantine na ƙasashen Serbia da ƙirƙirar lardin shine kusan 971, lokacin da sojojin Byzantine suka ci Bulgaria
kuma ya sake kafa mulkin Byzantine mafi girma a cikin yankin kudu maso gabashin Turai, gami da ƙasashen tsakiyar Serbia, kamar yadda "Tarihin Firist na Duklja" ya tabbatar. Ofaya daga cikin sabbin rukunin gudanarwa shine Catepanate na Ras. An kafa shi a matsayin birni mai ƙarfi na Byzantine a cikin ƙasashen Serbia, amma ba za a iya ƙayyade ikon mallakarsa daidai ba. Catepanate ba ta daɗe ba, kamar yadda mulkin Byzantine a cikin sauran ƙasashen Bulgaria da Serbia. Bayan mutuwar sarki John (976), an fara samun nasarar tayar da hankali a lardunan Slavic ta Kudu na Daular Byzantine, wanda Cometopuli ya jagoranta, wanda ya haifar da cikakken rushewar ikon Byzantine a yankin da kuma maido da Daular Bulgaria.