The paper aimsto offer acloser look at the life and accomplishments of one of the most importantbut also the most controversial personalitiesof thelate Roman Republic, a member of the second triumvirate, Marcus Antonius . Itisspecificallyfocused on the periodofAntonio's command of the eastern provincesand the bordering countries. From this perspective areparticularly importanthispolitical and administrative measures in thisarea , his approachof the countries dependent on Rome and its ruler,his politicaland love relationshipwith the Egyptian ruler Cleopatra,themilitary campaign against the Parthians as well as the war with Octavian for supremacy of theRoman world . Due to the very rich and comprehensive topic, thepaper is divided into several chapters containing subchapters . It providesthe reader witha comprehensive look at the most important periodof Antonio'slife .