Plovdiv city was possibly at times a vassal of Bulgaria or Venice. Ivan Asen II conquered the duchy finally in 1230 but the city had possibly been conquered earlier. Afterwards, Plovdiv was conquered by Byzantium. According to some information, by 1300 Plovdiv was a possession of Theodore Svetoslav of Bulgaria. It was conquered from Byzantium by George Terter II of Bulgaria in 1322. Andronikos III Palaiologos unsuccessfully besieged the city, but a treaty restored Byzantine rule once again in 1323. In 1344 the city and eight other cities were surrendered to Bulgaria by the regency for John V Palaiologos as the
Plovdiv Peak km north of M'Kean Point and (Bulgarian mapping in 2005 and 2009). Plovdiv Peak Plovdiv Peak (Vrah Plovdiv \'vr&h 'plov-div\) is a peak rising to 1,040 m in the east extremity of Levski Ridge, Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. The peak overlooks Magura Glacier to the south and Iskar Glacier to the north-northeast. The peak was named after the Bulgarian city of Plovdiv. The peak is located at , which is 3.15 km east-northeast of Great Needle Peak (Pico Falsa Aguja), 1.17 km east of Helmet Peak, 3.48 km south of Yana Point, 780 m