On the right of the Maritsa, and the 9th on the left, seized Mustafa Pasha, continuing their progress on the loth.
It was naturally divided by its four water-courses (Upper Maritsa, Arda, Lower Maritsa, Tunja) into four sectors.
On the Lower Maritsa-Tunja sector the 3rd Div.
Army was advancing on the Tunja-Upper Maritsa, the 8th Div.
Army); and on the Upper Maritsa-Arda front the 9th, also of the II.
In the Tunja-Upper Maritsa sector the principal work of the main line was a group formed round Chiftlik-Ekmechikoi which has been compared to a" Feste."A group of the same character (Papas Tepe) occupied the ridge between Upper Maritsa and Arda, a fortified village barred the Ortakoi road in the Arda valley itself, and a third" Feste "had been constructed on Kartal Tepe.
Similar groups of works at Pashachajir and Gunes Chiftlik continue the line of defence between Lower Maritsa and Tunja, merging in the line of the old permanent works at Fort Kuru Cheshme.
Front (left bank of the Tunja), was an advanced position, or rather a discontinuous series of field positions on selected sites astride the saddles of ground which separate the rivers (Tunja and lower Maritsa, Maritsa and Arda, Arda and upper Maritsa, upper Maritsa and Tunja).
Army's and 3rd Div.'s advance astride the Maritsa and Tunja on Oct.
From Tunja to upper Maritsa and Danube II.
Between upper Maritsa and Arda.
Between Arda and lower Maritsa and the i 1th with part of the 2nd in the broadest sector, the eastern.
The capture of Adrianople, followed by other conquests, brought about a coalition under the king of Hungary against Murad, but his able lieutenant Lalashahin, the first beylerbey of Rumelia, defeated the allies at the battle of the Maritsa in 1363.