Compare the plug shapes, voltage and frequency in Bosnia and Herzegovina and Sri Lanka, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Bosnia and Herzegovina, you will need a travel adapter for Sri Lanka. Bosnia and Herzegovina uses Type C/Type F plugs, and Sri Lanka uses Type G, so the pin shapes will not fit any wall socket.
Bosnia and Herzegovina (home)
Sri Lanka (destination)
Electrical specifications in Sri Lanka
Voltage
Frequency
More about plugs in Sri Lanka
In Sri Lanka, the standard power plug is Type G. The country runs on 230 volts at 50 Hz. That means every wall socket in Sri Lanka is the same shape — Type G, and your plug needs to physically match the socket to fit.
Full Sri Lanka plug guide