upitati

1. to ask
   Upitao me je gde je stanica. — He asked me where the bus stop was.
   Upitaj ga da li dolazi sutra. — Ask him if he's coming tomorrow.
2. (upitati se) to wonder; to ask oneself
   Upitala sam se da li sam pogrešila. — I wondered whether I had made a mistake.

The person asked is in the accusative: upitati koga (upitao me).