Ostrovo (Bulgarian: Острово; Turkish: Adaköyü) is a village in northeastern Bulgaria, part of Razgrad Province, located in the geographic region of Ludogorie.

As of March 2016, the village has a population of 2968 inhabitants.

[1] The village has a community center "Father Paisii", primary school "Hristo Botev" and kindergarten "Joy".

3½ km east of the village is a hunting farm "Voden".

This Razgrad Province, Bulgaria location article is a stub.