Siege of Esztergom (1241) other European states, bar Moravia, Bohemia, and the Polish duchies, which the Mongols dealt with separately. Bela's kingdom was ill-prepared for the Mongol invasion. At the time, Hungary was one of the poorest and most sparsely populated areas of Europe. The population was estimated at slightly over 2 million in the mid-thirteenth century despite its large land area, with the largest city, Esztergom, having only 12,000 inhabitants. Its armies consisted primarily of light cavalry with some light infantry, and only a handful of crossbowmen, mounted knights, and heavy infantry, in contrast to the areas further west where such troops were
Manila building code. According to the , the population of the city was , making it the second most populous city in the Philippines. Manila is the most densely populated city in the world, with 41,515 inhabitants per km in 2015. District 6 is listed as being the most dense with 68,266 inhabitants per km, followed by District 1 with 64,936 and District 2 with 64,710. District 5 is the least densely populated area with 19,235. Manila's population density dwarfs that of Kolkata (24,252 inhabitants per km), Mumbai (20,482 inhabitants per km), Paris (20,164 inhabitants per km), Dhaka (29,069 inhabitants per