Search for "Legend of Zelda Twilight Princess (Europe) (En,Fr,De,Es,It).rvz" or .wbfs. Look for uploads from verified archivists (check their history). User comments will often confirm if the ROM boots correctly in Dolphin Emulator with Spanish enabled.
The r/Roms megathread is the gold standard for verified ROMs. Navigate to the "Wii" section, then "No-Intro" or "Redump" sets. Look for the PAL region. The file name will clearly indicate (Spain) or (Europe). Download the .wbfs file for Dolphin or real hardware via USB Loader GX. zelda twilight princess rom espanol wii verified
You will need Dolphin Emulator (Version 5.0 or the latest Beta). Search for "Legend of Zelda Twilight Princess (Europe)