Georgi Kostov Sugarev was a Macedonian Bulgarianrevolutionary, vojvoda of the Internal Macedonian-Adrianople Revolutionary Organization. Despite the Bulgarian national identification of the late Ottoman MacedoniaSlavic revolutionaries, and most of the local Slavic population then, in North Macedonia they, including Sugarev, are added to the country's historical heritage as ethnic Macedonians. Sugarev was born in 1876 in Bitola, then in the Ottoman Empire, today in North Macedonia. His family was very poor and his mother together with his brothers Hristo, Mihail and Vangel emigrated to the United States and actively participate in the activities of the Macedonian Patriotic Organization. Vangel became there a historian and author of several books as "The Bulgarian nationality of the Macedonians" and "The constitution of the Bulgarian revolutionary central committee". Sugarev completed fourth grade of Bulgarian Men's High School of Bitola. Afterwards he became a Bulgarian teacher initially in Demir Hisar, then in Kichevo, and finally in Bitola. However he left the school system and decided to join the Internal Macedonian Revolutionary Organisation. In 1901 he became a chetnik of Nikola Rusinski. With the assistance of the vojvoda Rusinski, they operated together through the regions of Demir Hisar, Smilevo and Bitola. The same year he was elected a member of the Bitola District Revolutionary Committee of the IMRO, and in February 1902 he went underground. Sugarev was a delegate to the Smilevo Congress of the Bitola revolutionary district of IMRO. At the beginning of the Ilinden uprising he was Bitola revolutionary district leader, participating in several battles. Together with the vojvodas Hristo Uzunov he supported Dame Gruev to restore the organization after the suppression of the uprising. Sugarev participate in the Prilep Congress of the IMRO in 1904. He started also anti-Serb campaign in the late summer of 1905. Thеse actions he coordinated with the IMRO leaders Pancho Konstantinov and Ivan Naumov Alyabaka. Later Sugarev left for Bitola to arrange joint actions against the pro-Serbian bands in the Bitola and Skopje revolutionary districts. By this activity Sugarev was helped by the Bulgarian vojvodas Petar Yurukov and Petar Radev. In March 1906 Sugarev travelled to Mariovo to counter the intensifying Greek bands. Because of betrayal, of March 23, 1906 the cheta was surrounded near the village of Paralevo of numerous Turkish forces and after a fierce battle was completely destroyed. During the Second World War, when the area was under Bulgarian administration, the authorities built a tombstone of Sugarev on his place of a skull, that after the war was destroyed by the Yugoslav administration.
