Yes, if you're traveling to Spain from a country with a different type of electrical outlet, you will likely need an adapter to use your electrical appliances. In Spain, the standard voltage is 230 volts, and the frequency is 50 Hz. The most common type of plug used in Spain is the Europlug (Type C), which has two round pins.
If your home country uses a different type of plug, such as Type A or Type B (commonly used in the United States), you will need an adapter to convert your plug to fit into the Spanish outlets. Adapters can typically be purchased at travel stores, airports, or electronics stores.
It's important to note that while an adapter will allow you to physically plug in your devices, it does not change the voltage or frequency. Therefore, it's crucial to check the voltage range of your appliances before using them in Spain. If your device's voltage is not compatible with the Spanish electrical system, you may also need a voltage converter or transformer to avoid damaging your appliances.