Spain to Japan plug adapter: plugs and voltage compared

No. Turespaña (spain.info) describes round pins for Spain. Japan's outlets take Type A plugs with two flat pins (JNTO), so bring a plug adapter to Type A. Japan runs on 100V and Spain on 230V.

Updated October 3, 2026

230Vin Spain

50Hzin Spain

245,576visitors from Spain in 2025

Plug adapter needed

Spain and Japan side by side

Spain: 230V and 50Hz. Japan: 100V, 50Hz in the east and 60Hz in the west.

Voltage, frequency and plug in Japan and Spain (official pages, checked 2026-10-03)
	Japan	Spain
Voltage	100V JNTO	230VAlso written: 220V (spain.info / Turespaña) Government of Spain (BOE)
Frequency	50Hz east, 60Hz west JNTO	50Hz Government of Spain (BOE)
Plug	Type A, two flat pinsPanasonic lists Type A and B JNTO	Round pins Turespaña (spain.info)

Official pages for Spain do not all give the same figure: 220V (spain.info / Turespaña). This page uses 230V, the value from Government of Spain (BOE).

Who says what about electricity in Spain

Official sources for voltage, frequency and plug in Spain, and what each one states
Source	What it states	Kind
Government of Spain (BOE)Royal Decree 842/2002, low voltage regulation, art. 4	Voltage: 230V; frequency: 50Hz Source	Government
Turespaña (spain.info)Travel tips: connections	Voltage: 220V; frequency: 50Hz; plug: round pin system Source	Tourism board

What to pack in Spain for Japan

Round pins from Spain need a Type A adapter in Japan.

Round pins: a plug adapter to Type A. Source: Turespaña, spain.info.
Each device from Spain: read INPUT. 100-240V covers Japan's 100V; 230V alone needs a voltage converter (JNTO).
Spain: 50Hz. Tokyo: 50Hz. Osaka: 60Hz. A 50/60Hz label covers all three.

Flow chart for travellers from Spain: does the plug have two flat pins, and does INPUT include 100V? If not, bring a plug adapter or a voltage converter.

Figure by japan-japan.com from JNTO: Plugs and Electricity.

What official pages in Spain say

4 statements from Turespaña (spain.info) and the Government of Spain (BOE).

Turespaña (spain.info)Sockets meet European regulations and use the round pin system.Travel tips: connections

Turespaña (spain.info)Electricity supply in Spain is AC 220 volts, 50 Hertz.Travel tips: connections

Government of Spain (BOE)b) 230 V entre fase y neutro, y 400 V entre fases, para las redes trifásicas de 4 conductores,Royal Decree 842/2002, low voltage regulation, art. 4

In English: 230 V between phase and neutral, and 400 V between phases, for four-conductor three-phase networks

Government of Spain (BOE)4. La frecuencia empleada en la red será de 50 Hz.Royal Decree 842/2002, low voltage regulation, art. 4

In English: The frequency used in the network shall be 50 Hz.

Visitors from Spain in 2025

Spain ranked 19th among countries and regions, with 245,576 visitors to Japan in 2025 (JNTO, final figures).

Visitors in 2025: 245,576
Rank: 19th
Share of all visitors: 0.6%
Change from 2024: +34.7%

Frequently asked questions

Do I need a plug adapter in Japan from Spain?

No. Turespaña (spain.info) describes round pins for Spain. Japan's outlets take Type A plugs with two flat pins (JNTO), so bring a plug adapter to Type A.

Is Japan's voltage the same as Spain's?

No. Japan uses 100V (JNTO); Spain uses 230V, according to the Government of Spain (BOE).

Do I need a voltage converter in Japan from Spain?

Only for devices rated for 230V alone that are not dual-voltage (JNTO). A charger from Spain marked 100-240V needs none.