The distance - 18 Bielańska, the place where Korczak was born and lived and the Great Synagogue at Tłomackie was just 183 meters.

The distance - 18 Bielańska, the place where Korczak was born G and lived, and Synagogue at Tłomackie (Wielka Synagoga) was just 183 meters. The present building marked with G is on the spot where 3 smaller buildings were. Among them 18 Bielańska (later 22 Bielańska).

The distance - 18 Bielańska, the place where Korczak was born and lived, and Synagogue at Tłomackie was just 183 meters. Korczak's house is marked with the number 611.

The distance - 18 Bielańska, the place where Korczak was born and lived, and Synagogue at Tłomackie was just 183 meters. Korczak's house is marked with the number 611. The present building covers the area of several houses: 611, 610 and 609.