Kosovo runs on 230 V at 50 Hz, with sockets following Types C and F. No surprises on voltage: Kosovo runs at 230 V, the same range as at home in the UK.
Handy for multi-stop trips: Montenegro, Romania, Hungary and Slovenia use the same plug types. Travelling further to Ireland, the Isle of Man and the United Kingdom means a different adapter. 31 of the 50 destinations in Europe share the plug types of Kosovo.
Protective earth
Grounded and ungrounded sockets may occur
Mixed supply: Type C without earth, Type F with earth. Which one is in your room only shows on arrival.