In August 1930, Garadonlu region was organized on Mil-Mugan historical fields as region. Earlier in the time of Czar(Tsarist) Russia, Garadonlu belonged to Javad administrative-area. Garadonlu region is situated at favourable area, which there were Aras river, water resource, productive land, caravan road in this area. Be more productive soils, particularly where agriculture has resulted in the development of plant-growing. As early as the 1917 October Revulation, land-reclamation, irrigation work were made and it was based intensive irrigated plant-growing. In 1906 the first School of Garadonlu region was activated, also there were many living-buildings, caravanserais, mills and shops in Garadonlu. In 1933 Garadonlu Machine-Tractor Plant was laid in Garadonlu historical region. As a result of Alat-Mingivan railway construction, people was summed from the center of region to suburbs of railway station. For this purpose, two-storey brick building was built amang Garadonlu and Imishli village, so the center of region is moved to here and region was considered Imishli. At that time the area was covered by forests and bushes. But the people cleaned area and begun to erect buildings and lay streets. Imishli village was expanded speedily like the center of region. Government houses were constructed which completely transformed the appearance of the village. In 1944 Imishli was given the status of Town-Type Settlement, and in 1960 became a City. In 1959 on the Aras river, in the Bahramtapa TTS area, water storage was used which was unique at that time. Bash Mugam and Azizbaiov irrigation canal provide water not only for the land area of Imishli, but also for the land areas of Bilasuvar and Saatli district. At the same time, laid bases of Sand-Gravel workshops, iron-concrete materials plant. Garadonlu is one of the villages in the plain of Mugan.