Ostra

Ostra or Ostrá or Östra or Oštra may refer to the following places:

Czech Republic

 * Ostrá (Nymburk District), a village and municipality in Czech Republic

Italy

 * Ancient Ostra, an ancient Roman city in Italy
 * Ostra, Marche, a town and commune in Italy
 * Ostra Vetere, a town and commune in Italy

Romania

 * Ostra, Suceava, a commune in Romania

Slovakia

 * Ostrá (Veľká Fatra), a mountain in Slovakia