 For Iași, the capital of Moldavia, the estimates were 60,000 inhabitants for 1831, 70,000 for 1851, and about 65,000 for 1859.Brăila and Giurgiu, Danube ports returned to Wallachia by the Ottomans, as well as Moldavia's Galați, grew from the grain trade to become prosperous cities.Kiselyov, who had centered his administration on Bucharest, paid full attention to its development, improving its infrastructure and services and awarding it, together with all other cities and towns, a local administration ("see History of Bucharest").