Chaadayevka
Tschaadajewka (Russian Чаадаевка ) is the name of the following places in Russia:
- Chaadayevka (Penza) , urban-type settlement in Penza Oblast
- Chaadayevka (Penza, village) , village in Penza Oblast
- Tchaadayevka (Ulyanovsk) , village in Ulyanovsk Oblast
