Bialystok is the largest city (pop. 286,000 in 2001) in north-eastern Poland and the capital of Podlaskie[?]Voivodship. The city is somewhat famous as the birthplace of L. L. Zamenhof, creator of Esperanto.
... families residing in the town. The population density is 387.5/km² (1,003.8/mi²). There are 1,723 housing units at an average density of 123.7/km² ...