Compare the plug shapes, voltage and frequency in Macau and Iceland, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Macau, you will need a travel adapter for Iceland. Macau uses Type G plugs, and Iceland uses Type C/Type F, so the pin shapes will not fit any wall socket.
Macau (home)
Iceland (destination)
Electrical specifications in Iceland
Voltage
Frequency
More about plugs in Iceland
In Iceland, the standard power plug is Type C and Type F. The country runs on 230 volts at 50 Hz. That means wall sockets in Iceland can be one of 2 different shapes — Type C, Type F, and your plug needs to physically match the socket to fit.
Full Iceland plug guide