From Tonga to Slovakia
When travelling from Tonga to Slovakia: None of your Tonga plug types fit in Slovakia. You will need a travel adapter. Voltage is different (240V → 230V). Check your charger label; if it doesn’t list 230V you’ll also need a voltage converter. Frequency is the same at 50Hz.
Tonga
SlovakiaYour plugs
Type I
No fit
Accepted in Slovakia
Type C
Type E
0 of 1 plug type(s) match
You: I • Slovakia: C, E
No fit for: I
Voltage: 240V → 230V
Different voltage
You may need a voltage converter.
Frequency: 50Hz → 50Hz
Same frequency
You will need an adapter and likely a converterAdapters you may need
Your plug shape does not fully match. Voltage differs; check for 100–240V support.
About electricity in Slovakia
Slovakia is 230V/50Hz with Type C and E sockets, French and Czech style with a male earth pin in the socket.
Grid & history
Slovakia’s grid relies heavily on nuclear (the Mochovce and Bohunice plants) with hydropower and growing solar. The country is well interconnected with Czechia, Hungary, Poland, and Austria.
Availability
Excellent.
Sockets & hotels
Type E (with male earth pin) is the standard. Type C Europlugs fit.
Energy mix
Practical tips
- A small Type C/E European adapter is all you need.
- Voltage is the standard 230V, and modern chargers handle it without issue.
Frequently asked questions
- Will my Tonga plug work in Slovakia?
- No. None of your Tonga plugs (Type I) fit in Slovakia sockets (Type C, Type E), so you will need a travel adapter.
- What plug type does Slovakia use?
- Slovakia uses Type C, Type E. The supply is 230V at 50Hz.
- Do I need a voltage converter for Slovakia when travelling from Tonga?
- Slovakia runs on 230V, while Tonga uses 240V. Check your charger label for a 100 to 240V rating; if it does not list 230V you will also need a voltage converter.
- Is the electrical frequency in Slovakia the same as Tonga?
- Frequency in Slovakia is 50Hz, the same as Tonga.