In Indonesia , electrical sockets and plugs are type C or F. Type C has two round pins and type F has two round pins with two earth clips on the side.
In country Indonesia is voltage 220 V, 110 V and the voltage frequency is 50 Hz.
This country is one of the few countries that use two types of voltage. Most countries use a voltage of 120 V and some 220 V. If your devices are made for the range as specified, you can use them. It is important to check which type of voltage the socket supports. An incorrectly selected socket can destroy the devices you plug into it. Because two types of voltage are supported in the country, it is likely that equipment purchased there will operate at both voltages. If the voltage frequency in your country is different from Indonesia (220 V, 110 V), some of your devices may not work properly.
Check the markings on the device before traveling. Each electrical device has a label (often on the charger) stating at which volt range and frequency it works - example “INPUT: 100-240V, 50/60 Hz”. If this range is also in the target country, you do not need a voltage converter, just check the type of socket / plug. More information about the voltage converter can be found here.
Many modern hotels are equipped with several types of electrical outlets. If you already have a selected hotel where you will be staying, call there and ask about the types of electrical outlets. If you have not choosed a hotel yet, you can check them out on (Accommodation - booking.com)
Neighboring states with Indonesia and their electrical plugs.
Indonesia is located in Asia.
Neighbouring countries are East Timor, Malaysia, Papua New Guinea. These countries and their types of electrical outlets can be found in the list.