headquarters_location motomel
Greater ___MASK83___ ( GBA ) is the urban agglomeration comprising the autonomous city of ___MASK83___ and the adjacent 24 " partidos " ( districts ) over the Province of ___MASK83___ . Thus , it does not constitute a single administrative unit . The conurbation spreads south , west and north of ___MASK83___ city . To the east , the River Plate serves as a natural boundary . ___MASK32___ de los Arroyos Partido is the northernmost partido in Buenos Aires Province , Argentina . La Plata is the capital city of the Province of ___MASK83___ , ___MASK90___ , and of the partido La Plata . According to the , it has a population of 765 , 378 and its metropolitan area has 899 , 523 inhabitants . ___MASK83___ (" Provincia de ___MASK83___ "; English : " good airs ") is the largest and most populous Argentinian province . It takes the name from the city of ___MASK83___ , which used to be the provincial capital until it was federalized in 1880 . The current capital of the province is the city of La Plata , founded in 1882 . San Luis is a province of ___MASK90___ located near the geographical center of the country ( on the 32 ° South parallel ). Neighboring provinces are , from the north clockwise , La Rioja , ___MASK30___ , La Pampa , Mendoza and ___MASK96___ . ___MASK90___ , officially the Argentine Republic , is a federal republic in the southern half of South America . Sharing the bulk of the Southern Cone with its neighbor ___MASK54___ to the west , the country is also bordered by Bolivia and Paraguay to the north , ___MASK4___ to the northeast , Uruguay and the South Atlantic Ocean to the east , and the Drake Passage to the south . With a mainland area of , ___MASK90___ is the eighth - largest country in the world , the second largest in Latin America , and the largest Spanish - speaking one . The country is subdivided into twenty - three provinces ( singular " provincia ") and one autonomous city (" ciudad autónoma "), Buenos Aires , which is the federal capital of the nation as decided by Congress . The provinces and the capital have their own constitutions , but exist under a federal system . ___MASK83___ is the capital and most populous city of ___MASK90___ . The city is located on the western shore of the estuary of the Río de la Plata , on the South American continent ' s southeastern coast . " ___MASK83___ " can be translated as " fair winds " or " good airs ", but the first one was the meaning intended by the founders in the 16th century , by the use of the original name " Real de Nuestra Señora Santa María del Buen Ayre ". The Greater ___MASK83___ conurbation , which also includes several ___MASK83___ Province districts , constitutes the fourth - most populous metropolitan area in the Americas , with a population of around 17 million . The Río de la Plata (" River of Silver ")  rendered River Plate in British English and the Commonwealth and La Plata River ( occasionally Plata River ) in other English - speaking countries  is the river and estuary formed by the confluence of the Uruguay and the ___MASK44___ rivers . It empties into the Atlantic Ocean , forming a funnel - shaped indentation on the southeastern coastline of South America . ___MASK71___ , also collectively called America , encompass the totality of the continents of ___MASK75___ and South America . Together they make up most of Earth ' s western hemisphere and comprise the " New World ". La Emilia is a small town in the ___MASK32___ Partido of Buenos Aires Province , Argentina . Motomel S . A . is a brand of Argentine motorcycle , based in San Luis Province and ___MASK83___ Province ; founded in 1992 by the La Emilia investment group .